Committee on the Role of Alternative Farming Methods in Modern Production Agriculture, B. o. A. (1989). Alternative agriculture. Washington, D.C: National Academy Press.
Chicago-stil citatCommittee on the Role of Alternative Farming Methods in Modern Production Agriculture, Board on Agriculture. Alternative Agriculture. Washington, D.C: National Academy Press, 1989.
MLA-referensCommittee on the Role of Alternative Farming Methods in Modern Production Agriculture, Board on Agriculture. Alternative Agriculture. Washington, D.C: National Academy Press, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.