Jacobsen, J. P., & Skillman, G. L. (2004). Labor markets and employment relationships: A comprehensive approach. Blackwell Publishing.
Lua i Stíl Chicago (17ú heag.)Jacobsen, Joyce P., agus Gilbert L. Skillman. Labor Markets and Employment Relationships: A Comprehensive Approach. Malden, MA: Blackwell Publishing, 2004.
Lua MLA (9ú heag.)Jacobsen, Joyce P., agus Gilbert L. Skillman. Labor Markets and Employment Relationships: A Comprehensive Approach. Blackwell Publishing, 2004.
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