Tohutoro APA (7th ed.)

Bennett, H. H. (1939). Soil conservation. McGraw-Hill.

Tohutoru Kātū Chicago (17th ed.)

Bennett, Hugh Hammond. Soil Conservation. New York: McGraw-Hill, 1939.

Tohutoro MLA (9th ed.)

Bennett, Hugh Hammond. Soil Conservation. McGraw-Hill, 1939.