APA

Lee L., Dobler D. W., . (1971). Purchasing and materials management: text and cases. New York: McGraw-Hill.

Chicago

Lee Lamar, Dobler Donald W, . 1971. Purchasing and materials management: text and cases. New York: McGraw-Hill.

Harvard

Lee L., Dobler D. W., . (1971). Purchasing and materials management: text and cases. New York: McGraw-Hill.

MLA

Lee Lamar, Dobler Donald W, . Purchasing and materials management: text and cases. New York: McGraw-Hill. 1971.