Cita APA (7th ed.)

Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.

Cita Chicago (17th ed.)

Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.

Cita MLA (9th ed.)

Choices: The Magazine of Food, Farm & Resource Issues. Agricultural & Applied Economics Association.

Atenció: Aquestes cites poden no estar 100% correctes.