APA (7th ed.) Zitazioa
Grey, S., Hill, K. L., & Reynolds, J. (2010). Orca currents resource guide. Orca Book Publishers.
Chicago Style (17th ed.) Zitazioa
Grey, Susan, Kate Lane Hill, eta Janice Reynolds. Orca Currents Resource Guide. Victoria, British Columbia: Orca Book Publishers, 2010.
MLA (9th ed.) Zitazioa
Grey, Susan, et al. Orca Currents Resource Guide. Orca Book Publishers, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.