Cita APA (7a ed.)
Wijayaratna, C. (1994). Sustainability of farmers organizations.
Cita Chicago Style (17a ed.)
Wijayaratna, C.M. Sustainability of Farmers Organizations. 1994.
Cita MLA (9a ed.)
Wijayaratna, C.M. Sustainability of Farmers Organizations. 1994.
Precaución: Estas citas no son 100% exactas.