Potter, P. (2013). Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention.
Chicago-stil citatPotter, Polyxeni. Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention, 2013.
MLA-referensPotter, Polyxeni. Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.