Cita APA (7th ed.)
Kaufman, B. E. (1989). The economics of labor markets (2nd ed.). Dryden Press.
Cita Chicago (17th ed.)
Kaufman, Bruce E. The Economics of Labor Markets. 2nd ed. Fort Worth: Dryden Press, 1989.
Cita MLA (9th ed.)
Kaufman, Bruce E. The Economics of Labor Markets. 2nd ed. Dryden Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.