APA (7e ed.) Bronvermelding

Ripes, L., & Zenz, A. (2012). The spaghetti-slurping sewer serpent. Marshall Cavendish Children.

Chicago (17e ed.) Bronvermelding

Ripes, Laura, en Aaron Zenz. The Spaghetti-slurping Sewer Serpent. New York: Marshall Cavendish Children, 2012.

MLA (8e ed.) Bronvermelding

Ripes, Laura, en Aaron Zenz. The Spaghetti-slurping Sewer Serpent. Marshall Cavendish Children, 2012.