Clark, P. F. (2009). Building more effective unions (2nd ed.). ILR Press/Cornell University Press.
Citace podle Chicago (17th ed.)Clark, Paul F. Building More Effective Unions. 2nd ed. Ithaca: ILR Press/Cornell University Press, 2009.
Citace podle MLA (9th ed.)Clark, Paul F. Building More Effective Unions. 2nd ed. ILR Press/Cornell University Press, 2009.
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