Cita APA (7a ed.)
Haque, I., & Lupwayi, N. (2000). Nitrogen fixation by annual forage legumes and its contribution to succeeding wheat in the Ethiopian highlands. Informa UK Limited.
Cita Chicago Style (17a ed.)
Haque, I., y N.Z Lupwayi. Nitrogen Fixation by Annual Forage Legumes and Its Contribution to Succeeding Wheat in the Ethiopian Highlands. Informa UK Limited, 2000.
Cita MLA (9a ed.)
Haque, I., y N.Z Lupwayi. Nitrogen Fixation by Annual Forage Legumes and Its Contribution to Succeeding Wheat in the Ethiopian Highlands. Informa UK Limited, 2000.
Precaución: Estas citas no son 100% exactas.