Graaf, G. d. (1996). Artificial reproduction and pond rearing of the African catfish Clarias gariepinus in sub-Saharan Africa: A handbook. Rome: FAO.
استشهاد بنمط شيكاغوGraaf, Gertjan de. Artificial Reproduction and Pond Rearing of the African Catfish Clarias Gariepinus in Sub-Saharan Africa: A Handbook. Rome: FAO, 1996.
MLA استشهادGraaf, Gertjan de. Artificial Reproduction and Pond Rearing of the African Catfish Clarias Gariepinus in Sub-Saharan Africa: A Handbook. Rome: FAO, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.