APA Citatie

Lee, L., & Dobler, D. W. (1971). Purchasing and materials management: Text and cases/2e (2nd ed.). McGraw Hill.

Chicago Style citaat

Lee, Lamar, en Donald W. Dobler. Purchasing and Materials Management: Text and Cases/2e. 2nd ed. New York: McGraw Hill, 1971.

MLA citatie

Lee, Lamar, en Donald W. Dobler. Purchasing and Materials Management: Text and Cases/2e. 2nd ed. McGraw Hill, 1971.