APA引文

IRRI. (1980). Soil - related constraints to food production in the tropics. Philippines: IRRI.

Trích dẫn kiểu Chicago

IRRI. Soil - Related Constraints to Food Production in the Tropics. Philippines: IRRI, 1980.

MLA引文

IRRI. Soil - Related Constraints to Food Production in the Tropics. Philippines: IRRI, 1980.

警告：这些引文格式不一定是100％准确.