APA (7th ed.) Citation

Leenders, M. R., & Fearon, H. E. (1997). Purchasing and supply management (11. ed.). Irwin.

Chicago Style (17th ed.) Citation

Leenders, Michiel R., and Harold E. Fearon. Purchasing and Supply Management. 11. ed. Chicago, Ill. [u.a.]: Irwin, 1997.

MLA (9th ed.) Citation

Leenders, Michiel R., and Harold E. Fearon. Purchasing and Supply Management. 11. ed. Irwin, 1997.