 " Nixon 's Campaign for Confidence " . Time . 25 May 1970 . Retrieved 10 April 2007 . 
 " Nixon <a href='null_genetive' title='1'><mark>'s</mark></a>Campaign for Confidence " . Time . 25 May 1970 . Retrieved 10 April 2007 . 
 Nixon  Campaign for Confidence  . Time . 25 May 1970 . Retrieved 10 April 2007 .