 Prados , John , The Blood Road : The Ho Chi Minh Trail and the Vietnam War . New York : John Wiley and Sons , 1998 . 
 Prados , John , The Blood Road : The Ho Chi Minh Trail and the Vietnam War . New York : John Wiley and Sons , 1998 . 
Prados , John , The Blood Road : da Ho Chi Minh Trail and the Vietnam War . New York : John Wiley and Sons , 1998 .