Hayes, J. (2002). Interpersonal skills at work2e (2nd ed.). Routledge.
Čikaški stil citiranjaHayes, John. Interpersonal Skills at Work2e. 2nd ed. New York: Routledge, 2002.
MLA način citiranjaHayes, John. Interpersonal Skills at Work2e. 2nd ed. Routledge, 2002.
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