APA引文

(1983). Using our natural resources: 1983 yearbook of agriculture. [New York]: United states department of agriculture.

Trích dẫn kiểu Chicago

Using Our Natural Resources: 1983 Yearbook of Agriculture. [New York]: United states department of agriculture, 1983.

MLA引文

Using Our Natural Resources: 1983 Yearbook of Agriculture. [New York]: United states department of agriculture, 1983.

警告：這些引文格式不一定是100％准確.