APA (7. basım) Alıntı

Leach, N., & Gattuso, J. (1999). Whale watching. Discovery Communications.

Chicago Style (17. basım) Atıf

Leach, Nicky, ve John Gattuso. Whale Watching. Singapore: Discovery Communications, 1999.

MLA (9th ed.) Atıf

Leach, Nicky, ve John Gattuso. Whale Watching. Discovery Communications, 1999.