APA استشهاد

Aas, O. (2008). Global challenges in recreational fisheries. Blackwell Publishing.

استشهاد بنمط شيكاغو

Aas, Oystein. Global Challenges in Recreational Fisheries. Oxford: Blackwell Publishing, 2008.

MLA استشهاد

Aas, Oystein. Global Challenges in Recreational Fisheries. Blackwell Publishing, 2008.