Cita APA (7th ed.)
(1949). Experience with Human Factors in Agricultural Areas of the World. Extension Service, U.S. Department of Agriculture,.
Cita Chicago (17th ed.)
Experience with Human Factors in Agricultural Areas of the World. Washington, D.C.: Extension Service, U.S. Department of Agriculture,, 1949.
Cita MLA (9th ed.)
Experience with Human Factors in Agricultural Areas of the World. Extension Service, U.S. Department of Agriculture,, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.