Gaya APA

M.SI., A, H, S., Berger, J. (). Contagious (Cet. 4). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

M.SI., Alexander, Hery,, S.E.,., Berger, Jonah. "Contagious". Cet. 4 Jakarta: Gramedia Pustaka Utama, . Text.