APA način citiranja

Hecht, T. (1988). The culture of sharptooth catfish, clarias gariepinus in southern Africa: A report of the National programme for aquaculture research. South Africa: The Republic of south Africa.

Čikaški stil citiranja

Hecht, T. The Culture of Sharptooth Catfish, Clarias Gariepinus in Southern Africa: A Report of the National Programme for Aquaculture Research. South Africa: The Republic of south Africa, 1988.

MLA način citiranja

Hecht, T. The Culture of Sharptooth Catfish, Clarias Gariepinus in Southern Africa: A Report of the National Programme for Aquaculture Research. South Africa: The Republic of south Africa, 1988.