Cita APA (7a ed.)

Dobler, D. W., Burt, D. N., & Lee, L. (1990). Purchasing and materials management: Text and cases (5th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Dobler, Donald W., David N. Burt, y Lamar Lee. Purchasing and Materials Management: Text and Cases. 5th ed. New York [etc.]: McGraw-Hill, 1990.

Cita MLA (9a ed.)

Dobler, Donald W., et al. Purchasing and Materials Management: Text and Cases. 5th ed. McGraw-Hill, 1990.