Cita APA

England, W. B., Fearon, . H. E., & Leenders, M. R. (1990). Purchasing and materials management. Universal Book Stall.

Citación estilo Chicago

England, Wilbur B., Harold E. Fearon, and Michael R. Leenders. Purchasing and Materials Management. New Delhi: Universal Book Stall, 1990.

Cita MLA

England, Wilbur B., et al. Purchasing and Materials Management. Universal Book Stall, 1990.