Carvell, F. J. (1970). Human relations in business. New York: The Macmillan Company.
Trích dẫn kiểu ChicagoCarvell, Fred J. Human Relations in Business. New York: The Macmillan Company, 1970.
Deismireacht MLACarvell, Fred J. Human Relations in Business. New York: The Macmillan Company, 1970.
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