Bigley, G. A., Porter, L. W., & Steers, R. M. (2003). Motivation and work behavior (7th ed.). McGraw-Hill/Irwin.
Chicago-čujuhus (17. p.)Bigley, Gregory A., Lyman W. Porter, juo Richard M. Steers. Motivation and Work Behavior. 7th ed. Boston: McGraw-Hill/Irwin, 2003.
MLA-čujuhus (9. p.)Bigley, Gregory A., et al. Motivation and Work Behavior. 7th ed. McGraw-Hill/Irwin, 2003.
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