Committee on the Role of Alternative Farming Methods in Modern Production Agriculture, B. o. A. (1989). Alternative agriculture. Washington, D.C: National Academy Press.
Trích dẫn kiểu ChicagoCommittee on the Role of Alternative Farming Methods in Modern Production Agriculture, Board on Agriculture. Alternative Agriculture. Washington, D.C: National Academy Press, 1989.
MLA引文Committee on the Role of Alternative Farming Methods in Modern Production Agriculture, Board on Agriculture. Alternative Agriculture. Washington, D.C: National Academy Press, 1989.
警告：这些引文格式不一定是100％准确.