Cita APA (7a ed.)
Asadu, C., Dixon, A., & Okechukwu, R. (2002). Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria. Elsevier.
Cita Chicago Style (17a ed.)
Asadu, C., A. Dixon, y R. Okechukwu. Comparative Evaluation of the Contributions of Soil Physicochemical Properties to Variations in the Yields of Four Major Staple Food Crops in Eastern Nigeria. Elsevier, 2002.
Cita MLA (9a ed.)
Asadu, C., et al. Comparative Evaluation of the Contributions of Soil Physicochemical Properties to Variations in the Yields of Four Major Staple Food Crops in Eastern Nigeria. Elsevier, 2002.
Precaución: Estas citas no son 100% exactas.