Obert, J. C. (1978). Community nutrition. Wiley.
Cita Chicago (17th ed.)Obert, Jessie Craig. Community Nutrition. New York: Wiley, 1978.
Cita MLA (9th ed.)Obert, Jessie Craig. Community Nutrition. Wiley, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.