Παραπομπή APA

IRRI. Water management in Philippine: Irrigation systems: research operation. Manila: IRRI.

Παραπομπή Chicago Style

IRRI. Water Management in Philippine: Irrigation Systems: Research Operation. Manila: IRRI.

Παραπομπή MLA

IRRI. Water Management in Philippine: Irrigation Systems: Research Operation. Manila: IRRI.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.