Dyfyniad APA

Baily, P., & Farmer, D. j. a. (1981). Purchasing principles and management (4th ed.). Pitnam.

Dyfyniad Arddull Chicago

Baily, Peter, and David joint auth Farmer. Purchasing Principles and Management. 4th ed. London: Pitnam, 1981.

Dyfyniad MLA

Baily, Peter, and David joint auth Farmer. Purchasing Principles and Management. 4th ed. Pitnam, 1981.

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