Cita APA (7a ed.)
Saka, A., & Haque, I. (1993). Manure studies in the Ethiopian highlands. I. Effect on Medicago sativa L. grown on an alfisol. International Livestock Centre for Africa.
Cita Chicago Style (17a ed.)
Saka, A.R, y I. Haque. Manure Studies in the Ethiopian Highlands. I. Effect on Medicago Sativa L. Grown on an Alfisol. International Livestock Centre for Africa, 1993.
Cita MLA (9a ed.)
Saka, A.R, y I. Haque. Manure Studies in the Ethiopian Highlands. I. Effect on Medicago Sativa L. Grown on an Alfisol. International Livestock Centre for Africa, 1993.
Precaución: Estas citas no son 100% exactas.