Grey, S., Hill, K. L., & Reynolds, J. (2010). Orca currents resource guide. Orca Book Publishers.
Lua i Stíl Chicago (17ú heag.)Grey, Susan, Kate Lane Hill, agus Janice Reynolds. Orca Currents Resource Guide. Victoria, British Columbia: Orca Book Publishers, 2010.
Lua MLA (9ú heag.)Grey, Susan, et al. Orca Currents Resource Guide. Orca Book Publishers, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.