Heinritz, S. F., & Farrell, P. V. (1965). Purchasing: Principles and applications (4th ed.). Prentice-Hall.
Chicagoスタイル(17版)引用形式Heinritz, Stuart F., , Paul V. Farrell. Purchasing: Principles and Applications. 4th ed. Englewood Cliffs, N. J: Prentice-Hall, 1965.
MLA(9版)引用形式Heinritz, Stuart F., , Paul V. Farrell. Purchasing: Principles and Applications. 4th ed. Prentice-Hall, 1965.
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