APA Style

Spanjian, Beth, Ramayanti, Butler, John. (1999). Bayi Triceratops . Jakarta: Gramedia Pustaka Utama.

Chicago Style

Spanjian, Beth, Ramayanti, Butler, John. Bayi Triceratops. Jakarta: Gramedia Pustaka Utama, 1999. Text.

MLA Style

Spanjian, Beth, Ramayanti, Butler, John. Bayi Triceratops. Jakarta: Gramedia Pustaka Utama, 1999. Text.

Turabian Style

Spanjian, Beth, Ramayanti, Butler, John. Bayi Triceratops. Jakarta: Gramedia Pustaka Utama, 1999. Print.