APA引文

Graaf, G. d. (1996). Artificial reproduction and pond rearing of the African catfish Clarias gariepinus in sub-Saharan Africa: A handbook. Rome: FAO.

Trích dẫn kiểu Chicago

Graaf, Gertjan de. Artificial Reproduction and Pond Rearing of the African Catfish Clarias Gariepinus in Sub-Saharan Africa: A Handbook. Rome: FAO, 1996.

MLA引文

Graaf, Gertjan de. Artificial Reproduction and Pond Rearing of the African Catfish Clarias Gariepinus in Sub-Saharan Africa: A Handbook. Rome: FAO, 1996.

警告：这些引文格式不一定是100％准确.