Cita APA (7a ed.)
Valera, A., Cablayan, D., & Elegado, J. (1989). Proposed guidelines for the management and operation of irrigation systems with diversified cropping.
Cita Chicago Style (17a ed.)
Valera, A., D. Cablayan, y J.A.B Elegado. Proposed Guidelines for the Management and Operation of Irrigation Systems with Diversified Cropping. 1989.
Cita MLA (9a ed.)
Valera, A., et al. Proposed Guidelines for the Management and Operation of Irrigation Systems with Diversified Cropping. 1989.
Precaución: Estas citas no son 100% exactas.