Gaya APA

LAHUR, E., YUDHA, A, [. (2015). You are (not) my bestfriend . Jakarta: Gramedia Pustaka Utama.

Gaya MLA

LAHUR, Esi., YUDHA, Ayu, [ed.]. "You are (not) my bestfriend". Jakarta: Gramedia Pustaka Utama, 2015. Text.