APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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