APA引文

IRRI. (1979). Report of the cropping systems working group. Philippines: IRRI.

Trích dẫn kiểu Chicago

IRRI. Report of the Cropping Systems Working Group. Philippines: IRRI, 1979.

MLA引文

IRRI. Report of the Cropping Systems Working Group. Philippines: IRRI, 1979.

警告：這些引文格式不一定是100％准確.