Dyfyniad APA

Dobbler, D. W. a. (1984). Purchasing and materials management: Text and cases (4th ed.). Mc Graw Hill Book Company.

Dyfyniad Arddull Chicago

Dobbler, Donald W...[et al.]. Purchasing and Materials Management: Text and Cases. 4th ed. New York: Mc Graw Hill Book Company, 1984.

Dyfyniad MLA

Dobbler, Donald W...[et al.]. Purchasing and Materials Management: Text and Cases. 4th ed. Mc Graw Hill Book Company, 1984.

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