Cita APA

Van Tol, A. (2010). Orca echoes resource guide. Orca Book Publishers.

Citación estilo Chicago

Van Tol, Alex. Orca Echoes Resource Guide. [Victoria, British Columbia]: Orca Book Publishers, 2010.

Cita MLA

Van Tol, Alex. Orca Echoes Resource Guide. Orca Book Publishers, 2010.

Warning: These citations may not always be 100% accurate.