Van Tol, A. (2010). Orca echoes resource guide. Orca Book Publishers.
Chicago Style (17th ed.) CitationVan Tol, Alex. Orca Echoes Resource Guide. [Victoria, British Columbia]: Orca Book Publishers, 2010.
ציטוט MLAVan Tol, Alex. Orca Echoes Resource Guide. Orca Book Publishers, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.