APA (7e ed.) Bronvermelding

Obiols, A., & Subi. (2012). Triceratops: The strongest dinosaur (1st ed. for the United States and Canada.). Barron's Educational Series.

Chicago (17e ed.) Bronvermelding

Obiols, Anna, en Subi. Triceratops: The Strongest Dinosaur. 1st ed. for the United States and Canada. Hauppage, NY: Barron's Educational Series, 2012.

MLA (8e ed.) Bronvermelding

Obiols, Anna, en Subi. Triceratops: The Strongest Dinosaur. 1st ed. for the United States and Canada. Barron's Educational Series, 2012.