Cita APA (7a ed.)

Benton, W. C. (2007). Purchasing and supply management. McGraw-Hill-Irwin.

Cita Chicago Style (17a ed.)

Benton, W. C. Purchasing and Supply Management. Boston [etc.]: McGraw-Hill-Irwin, 2007.

Cita MLA (9a ed.)

Benton, W. C. Purchasing and Supply Management. McGraw-Hill-Irwin, 2007.