APA (7e ed.) Bronvermelding

National Research Council (U.S.). Committee on the Role of Alternative Farming Methods in Modern Production Agriculture. (1989). Alternative agriculture. National Academy Press.

Chicago (17e ed.) Bronvermelding

National Research Council (U.S.). Committee on the Role of Alternative Farming Methods in Modern Production Agriculture. Alternative Agriculture. Washington, D.C.: National Academy Press, 1989.

MLA (9e ed.) Bronvermelding

National Research Council (U.S.). Committee on the Role of Alternative Farming Methods in Modern Production Agriculture. Alternative Agriculture. National Academy Press, 1989.