Παραπομπή APA

Barrat, C., & Whitehead, M. (2004). Buying for business: A guide to purchasing and supply management. Chichester ; Hoboken, NJ: Wiley.

Παραπομπή Chicago Style

Barrat, Chris., and Mark Whitehead. Buying for Business: A Guide to Purchasing and Supply Management. Chichester ; Hoboken, NJ: Wiley, 2004.

Παραπομπή MLA

Barrat, Chris., and Mark Whitehead. Buying for Business: A Guide to Purchasing and Supply Management. Chichester ; Hoboken, NJ: Wiley, 2004.

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