Cita APA (7a ed.)

Leenders, M. R., & Fearon, H. E. (1993). Purchasing and materials management (10th ed.). Irwin.

Cita Chicago Style (17a ed.)

Leenders, Michiel R., y Harold E. Fearon. Purchasing and Materials Management. 10th ed. Homewood, IL: Irwin, 1993.

Cita MLA (9a ed.)

Leenders, Michiel R., y Harold E. Fearon. Purchasing and Materials Management. 10th ed. Irwin, 1993.