Trích dẫn APA

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.

Trích dẫn kiểu Chicago

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.

Trích dẫn MLA

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.

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