APA Style

Amos, Janine, Spenceley, Annabel. (2000). Why be unfriendly? . Yogyakarta: Penerbit Kanisius.

Chicago Style

Amos, Janine, Spenceley, Annabel. Why be unfriendly?. Yogyakarta: Penerbit Kanisius, 2000. Text.

MLA Style

Amos, Janine, Spenceley, Annabel. Why be unfriendly?. Yogyakarta: Penerbit Kanisius, 2000. Text.

Turabian Style

Amos, Janine, Spenceley, Annabel. Why be unfriendly?. Yogyakarta: Penerbit Kanisius, 2000. Print.