North Western European Region Symposium University of Newcastle upon Tyne & International Centre for Co-operation in Agricultural Research. (1973). Intensive agriculture and the environment. An Foras Taluntais.
Chicago-referens (17:e uppl.)North Western European Region Symposium University of Newcastle upon Tyne och International Centre for Co-operation in Agricultural Research. Intensive Agriculture and the Environment. Dublin: An Foras Taluntais, 1973.
MLA-referens (8:e uppl.)North Western European Region Symposium University of Newcastle upon Tyne och International Centre for Co-operation in Agricultural Research. Intensive Agriculture and the Environment. An Foras Taluntais, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.