Robbins, S. P., & Hunsaker, P. L. (2009). Training in interpersonal skilss: Tips for managing people at work (5th ed.). Pearson/Prentice-Hall.
Παραπομπή σε μορφή Chicago (17η εκδ.)Robbins, Stephen P., και Phillips L. Hunsaker. Training in Interpersonal Skilss: Tips for Managing People at Work. 5th ed. Upper Saddle River, N.J: Pearson/Prentice-Hall, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Robbins, Stephen P., και Phillips L. Hunsaker. Training in Interpersonal Skilss: Tips for Managing People at Work. 5th ed. Pearson/Prentice-Hall, 2009.
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