Potter, P. (2012). Human minus Three Pieces of Hair. Centers for Disease Control and Prevention.
Chicago-referens (17:e uppl.)Potter, Polyxeni. Human Minus Three Pieces of Hair. Centers for Disease Control and Prevention, 2012.
MLA-referens (9:e uppl.)Potter, Polyxeni. Human Minus Three Pieces of Hair. Centers for Disease Control and Prevention, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.