Ehrenberg, R. G., & Smith, R. S. (2006). Modern labor economics: Theory and public policy (9th ed.). Pearson/Addison Wesley.
Lua i Stíl Chicago (17ú heag.)Ehrenberg, Ronald G., agus Robert Stewart Smith. Modern Labor Economics: Theory and Public Policy. 9th ed. Boston: Pearson/Addison Wesley, 2006.
Lua MLA (8ú heag.)Ehrenberg, Ronald G., agus Robert Stewart Smith. Modern Labor Economics: Theory and Public Policy. 9th ed. Pearson/Addison Wesley, 2006.
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