APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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