Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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