Robinson, J. (1969). Introduction to the theory of employment (2nd ed.). Macmillan; St. Martin's P..
Chicago-viite (17. p.)Robinson, Joan. Introduction to the Theory of Employment. 2nd ed. London, New York: Macmillan; St. Martin's P., 1969.
MLA-viite (8. p.)Robinson, Joan. Introduction to the Theory of Employment. 2nd ed. Macmillan; St. Martin's P., 1969.
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