Cita APA (7a ed.)
Groenfeldt, D. (1988). Contracting for irrigation management.
Cita Chicago Style (17a ed.)
Groenfeldt, D. Contracting for Irrigation Management. 1988.
Cita MLA (9a ed.)
Groenfeldt, D. Contracting for Irrigation Management. 1988.
Precaución: Estas citas no son 100% exactas.