APA引文

(1996). World Agricultural Production. USA: Foreign Agricultural Service - United States Department of Agriculture.

Trích dẫn kiểu Chicago

World Agricultural Production. USA: Foreign Agricultural Service - United States Department of Agriculture, 1996.

MLA引文

World Agricultural Production. USA: Foreign Agricultural Service - United States Department of Agriculture, 1996.

警告：這些引文格式不一定是100％准確.