Cornell Agricultural Waste Management Conference, 8th, & Loehr, R. C. (1977). Land as a waste management alternative: Proceedings of the 1976 Cornell Agricultural Waste Management Conference. Ann Arbor Science Publishers.
Chicago-referens (17:e uppl.)Cornell Agricultural Waste Management Conference, 8th, och Raymond C. Loehr. Land as a Waste Management Alternative: Proceedings of the 1976 Cornell Agricultural Waste Management Conference. Ann Arbor, Mich.: Ann Arbor Science Publishers, 1977.
MLA-referens (8:e uppl.)Cornell Agricultural Waste Management Conference, 8th, och Raymond C. Loehr. Land as a Waste Management Alternative: Proceedings of the 1976 Cornell Agricultural Waste Management Conference. Ann Arbor Science Publishers, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.