Dyfyniad APA

Phelps, O. W. (1955). Introduction to Labor Economics (2nd ed.). McGraw-Hill Book Company, Inc..

Dyfyniad Arddull Chicago

Phelps, Orme W. Introduction to Labor Economics. 2nd ed. New York: McGraw-Hill Book Company, Inc., 1955.

Dyfyniad MLA

Phelps, Orme W. Introduction to Labor Economics. 2nd ed. McGraw-Hill Book Company, Inc., 1955.

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