Potter, P. (2013). Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention.
استشهاد بنمط شيكاغوPotter, Polyxeni. Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention, 2013.
MLA استشهادPotter, Polyxeni. Savage Nature and Ecologic Exchange. Centers for Disease Control and Prevention, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.