 Cockburn 's claim is that some of the quotes should not have been cited to their original sources but rather to a secondary source , where he believes I stumbled upon them . Even if he were correct that I found all these quotations in Peters 's book , the preferred method of citation is to the original source , as The Chicago Manual of Style emphasizes : " With all reuse of others ' materials , it is important to identify the original as the source . This ... helps avoid any accusation of plagiarism ... To cite a source from a secondary source ( ' quoted in ... ' ) is generally to be discouraged .... " 
 Cockburn <a href='null_genetive' title='1'><mark>'s</mark></a>claim is that some of the quotes should not <a href='been_done' title='2'><mark>have</mark></a> been cited to their original sources but rather to a secondary source , where he <a href='uninflect' title='3'><mark>believes</mark></a> I stumbled upon them . Even if he <a href='uninflect' title='4'><mark>were</mark></a> correct that I found all these quotations in Peters <a href='null_genetive' title='5'><mark>'s</mark></a>book , the preferred method of citation is to the original source , as The Chicago Manual of Style <a href='uninflect' title='6'><mark>emphasizes</mark></a> : " With all reuse of others <a href='null_genetive' title='7'><mark>'</mark></a>materials , it is important to identify the original as the source . This ... <a href='uninflect' title='8'><mark>helps</mark></a> avoid any accusation of plagiarism ... To cite a source from a secondary source ( ' quoted in ... ' ) <a href='drop_aux' title='9'><mark>is</mark></a>generally to be discouraged .... " 
Cockburn  claim is that some of the quotes should not done been cited to their original sources but rather to a secondary source , where he believe I stumbled upon them . Even if he was correct dat I found alll these quotations in Peters  book , da preferred method of citation is to tdaoriginal source , as Thdahicago Manual of Style emphasize : " With all reuse of others  materials , it is important to identify the original as the source . dis ... help avoid any accusation of plagiarism ... To cite a source from a secondary source ( ' quoted in ... ' ) generally to be discouraged .... "