APA Citatie

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

Chicago Style citaat

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

MLA citatie

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