KINGSMAN BRIAN G. (1985). RAW MATERIALS PURCHASING AN OPERATIONAL RESEARCH APPROACH. PERGAMON PRESS.
Chicago-čujuhus (17. p.)KINGSMAN BRIAN G. RAW MATERIALS PURCHASING AN OPERATIONAL RESEARCH APPROACH. OXFORD: PERGAMON PRESS, 1985.
MLA-čujuhus (9. p.)KINGSMAN BRIAN G. RAW MATERIALS PURCHASING AN OPERATIONAL RESEARCH APPROACH. PERGAMON PRESS, 1985.
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