SIGBAN, N. B. (1986). Communication For Management And Business Norman B. Sigban. Scott,Foresman and company.
Chicago-viite (17. p.)SIGBAN, Norman B. Communication For Management And Business Norman B. Sigban. Scott,Foresman and company, 1986.
MLA-viite (8. p.)SIGBAN, Norman B. Communication For Management And Business Norman B. Sigban. Scott,Foresman and company, 1986.
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