Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.