MADDUX ROBERT B. (1991). SUCCESSFUL NEGOTIATION. GALGOTIA PUBLICATIONS.
Chicago-čujuhus (17. p.)MADDUX ROBERT B. SUCCESSFUL NEGOTIATION. NEW DELHI: GALGOTIA PUBLICATIONS, 1991.
MLA-čujuhus (9. p.)MADDUX ROBERT B. SUCCESSFUL NEGOTIATION. GALGOTIA PUBLICATIONS, 1991.
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