APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.