APA ציטוט

Bunce, A. C. (1945). The economics of soil conservation. The Iowa States College.

Chicago Style (17th ed.) Citation

Bunce, Arthur C. The Economics of Soil Conservation. Ames: The Iowa States College, 1945.

ציטוט MLA

Bunce, Arthur C. The Economics of Soil Conservation. The Iowa States College, 1945.