Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.
Chicago-referens (17:e uppl.)Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.
MLA-referens (9:e uppl.)Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.