APA引文

IRRI. (1989). Rice farming systems new directions. Manila: IRRI.

Trích dẫn kiểu Chicago

IRRI. Rice Farming Systems New Directions. Manila: IRRI, 1989.

MLA引文

IRRI. Rice Farming Systems New Directions. Manila: IRRI, 1989.

警告:这些引文格式不一定是100%准确.