एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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