Lee, L., & Dobler, D. W. (1971). Purchasing and materials management: Text and cases (2d ed.). McGraw-Hill.
Chicago Style (17. basım) AtıfLee, Lamar, ve Donald W. Dobler. Purchasing and Materials Management: Text and Cases. 2d ed. New York: McGraw-Hill, 1971.
MLA (8th ed.) AtıfLee, Lamar, ve Donald W. Dobler. Purchasing and Materials Management: Text and Cases. 2d ed. McGraw-Hill, 1971.
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