Tohutoro APA (7th ed.)

ebrary, Inc. (1993). Agricultural crop issues and policies. National Academy Press.

Tohutoru Kātū Chicago (17th ed.)

ebrary, Inc. Agricultural Crop Issues and Policies. Washington, D.C.: National Academy Press, 1993.

Tohutoro MLA (9th ed.)

ebrary, Inc. Agricultural Crop Issues and Policies. National Academy Press, 1993.