Παραπομπή APA

Brown, E. (1977). World fish farming: Cultivation and economics. Avi publishing.

Παραπομπή Chicago Style

Brown, Evan. World Fish Farming: Cultivation and Economics. Weswtport: Avi publishing, 1977.

Παραπομπή MLA

Brown, Evan. World Fish Farming: Cultivation and Economics. Avi publishing, 1977.