Cita APA (7a ed.)
Speelman, J. (1990). Design for sustainable farmer-managed irrigation schemes in Sub-Saharan Africa. Overseas Development Institute.
Cita Chicago Style (17a ed.)
Speelman, J.J. Design for Sustainable Farmer-managed Irrigation Schemes in Sub-Saharan Africa. Overseas Development Institute, 1990.
Cita MLA (9a ed.)
Speelman, J.J. Design for Sustainable Farmer-managed Irrigation Schemes in Sub-Saharan Africa. Overseas Development Institute, 1990.
Precaución: Estas citas no son 100% exactas.