Heinritz, S. F., Farrell, P. V., & Smith, C. L. (1986). Purchasing: Principles and applications (7th ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationHeinritz, Stuart F., Paul V. Farrell, and Clifton L. Smith. Purchasing: Principles and Applications. 7th ed. Englwood Cliffs, N.J: Prentice-Hall, 1986.
MLA (9th ed.) CitationHeinritz, Stuart F., et al. Purchasing: Principles and Applications. 7th ed. Prentice-Hall, 1986.
Warning: These citations may not always be 100% accurate.