Cita APA (7th ed.)
Castillo, L., & Wesseling, I. The FAO code: Pic and monitoring project final phase: Costa Rica. UNA.
Cita Chicago (17th ed.)
Castillo, Luisa, i Ineke Wesseling. The FAO Code: Pic and Monitoring Project Final Phase: Costa Rica. Heredia: UNA.
Cita MLA (9th ed.)
Castillo, Luisa, i Ineke Wesseling. The FAO Code: Pic and Monitoring Project Final Phase: Costa Rica. UNA.
Atenció: Aquestes cites poden no estar 100% correctes.