Phelps, O. W. (1955). Introduction to labour economics/4e (4th ed.). McGraw Hill.
Chicago Edition CitationPhelps, Orme W. Introduction to Labour Economics/4e. 4th ed. New York: McGraw Hill, 1955.
MLA Edition CitationPhelps, Orme W. Introduction to Labour Economics/4e. 4th ed. McGraw Hill, 1955.
Warning: These citations may not always be 100% accurate.