Cita APA (7a ed.)
El-Tayeb, A., Abdel-Raheim, F., & Awadel-Kareim, A. (1989). Comparison of cottonseed cake and dried blood as nitrogen sources for growing Sudan Nubian goats. Elsevier.
Cita Chicago Style (17a ed.)
El-Tayeb, A.E, F.M Abdel-Raheim, y A.M Awadel-Kareim. Comparison of Cottonseed Cake and Dried Blood as Nitrogen Sources for Growing Sudan Nubian Goats. Elsevier, 1989.
Cita MLA (9a ed.)
El-Tayeb, A.E, et al. Comparison of Cottonseed Cake and Dried Blood as Nitrogen Sources for Growing Sudan Nubian Goats. Elsevier, 1989.
Precaución: Estas citas no son 100% exactas.