Tohutoro APA (7th ed.)

DeGregori, T. R. (2004). Origins of the organic agriculture debate. Blackwell.

Tohutoru Kātū Chicago (17th ed.)

DeGregori, Thomas R. Origins of the Organic Agriculture Debate. Iowa City: Blackwell, 2004.

Tohutoro MLA (9th ed.)

DeGregori, Thomas R. Origins of the Organic Agriculture Debate. Blackwell, 2004.