Cita APA

England, W. B., & Leenders, M. R. (1975). Purchasing and materials management (6a. ed.). Illinois: R. Irwin.

Citación estilo Chicago

England, Wilbur B., and Michiel R. Leenders. Purchasing and Materials Management. 6a. ed. Illinois: R. Irwin, 1975.

Cita MLA

England, Wilbur B., and Michiel R. Leenders. Purchasing and Materials Management. 6a. ed. Illinois: R. Irwin, 1975.