APA aipamena

Berger, M., & Male, A. (2001). Can Snakes Crawl Backward: Questions and Answers About Reptiles. Scholastic Reference.

Chicago Style aipamena

Berger, Melvin, and Alan Male. Can Snakes Crawl Backward: Questions and Answers About Reptiles. New York: Scholastic Reference, 2001.

MLA aipamena

Berger, Melvin, and Alan Male. Can Snakes Crawl Backward: Questions and Answers About Reptiles. Scholastic Reference, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.