Cita APA (7a ed.)
Sperling, L. (2006). Seed aid for seed security: Advice for practitioners. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Sperling, L. Seed Aid for Seed Security: Advice for Practitioners. International Center for Tropical Agriculture, 2006.
Cita MLA (9a ed.)
Sperling, L. Seed Aid for Seed Security: Advice for Practitioners. International Center for Tropical Agriculture, 2006.
Precaución: Estas citas no son 100% exactas.