American Society of Agronomy\nCrop Science Society of America\nSoil Science Society of America. (1972). Journal of Environmental Quality. American Society of Agronomy.
Chicago-referens (17:e uppl.)American Society of Agronomy\nCrop Science Society of America\nSoil Science Society of America. Journal of Environmental Quality. Madison, Wis: American Society of Agronomy, 1972.
MLA-referens (8:e uppl.)American Society of Agronomy\nCrop Science Society of America\nSoil Science Society of America. Journal of Environmental Quality. American Society of Agronomy, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.