Dobler, D. W. (1984). Purchasing and materials management: Text and cases (4ª ed.). Mc Graw Hill.
Chicago-čujuhus (17. p.)Dobler, Donald W. Purchasing and Materials Management: Text and Cases. 4ª ed. Mc Graw Hill, 1984.
MLA-čujuhus (9. p.)Dobler, Donald W. Purchasing and Materials Management: Text and Cases. 4ª ed. Mc Graw Hill, 1984.
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