Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.
Chicago-viite (17. p.)Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.
MLA-viite (9. p.)Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.