Gaya APA

Amos, J., Spenceley, A. (2004). Why Be Unfriendly? (Cet. 2--). Yogyakarta: Kanisius.

Gaya MLA

Amos, Janine., Spenceley, Annabel. "Why Be Unfriendly?". Cet. 2-- Yogyakarta: Kanisius, 2004. Text.