APA (7th ed.) Citation
Leenders, M. R., Fearon, H. E., & England, W. B. (1989). Purchasing and Materials Management (9. ed.). Irwin.
Chicago Style (17th ed.) Citation
Leenders, Michiel R., Harold E. Fearon, and Wilbur B. England. Purchasing and Materials Management. 9. ed. Homewood: Irwin, 1989.
MLA (9th ed.) Citation
Leenders, Michiel R., et al. Purchasing and Materials Management. 9. ed. Irwin, 1989.
Warning: These citations may not always be 100% accurate.