Proffitt, B. (2012). The PayPal official insider guide to social media: Make money through viral marketing. Peachpit.
Style de citation Chicago (17e éd.)Proffitt, Brian. The PayPal Official Insider Guide to Social Media: Make Money Through Viral Marketing. Berkeley, Calif.: Peachpit, 2012.
Style de citation MLA (8e éd.)Proffitt, Brian. The PayPal Official Insider Guide to Social Media: Make Money Through Viral Marketing. Peachpit, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.