Cita APA (7a ed.)
Vermillion, D. L. (1989). Second approximations: Unplanned farmer contributions to irrigation design. Overseas Development Institute.
Cita Chicago Style (17a ed.)
Vermillion, Douglas L. Second Approximations: Unplanned Farmer Contributions to Irrigation Design. Overseas Development Institute, 1989.
Cita MLA (9a ed.)
Vermillion, Douglas L. Second Approximations: Unplanned Farmer Contributions to Irrigation Design. Overseas Development Institute, 1989.
Precaución: Estas citas no son 100% exactas.