APA (7e ed.) Bronvermelding

(2009). Category management in purchasing a strategic approach to maximize business profitability / Jonathan O'Brien. [electronic resource].

Chicago (17e ed.) Bronvermelding

Category Management in Purchasing a Strategic Approach to Maximize Business Profitability / Jonathan O'Brien. [electronic Resource]. 2009.

MLA (9e ed.) Bronvermelding

Category Management in Purchasing a Strategic Approach to Maximize Business Profitability / Jonathan O'Brien. [electronic Resource]. 2009.

Let op: Deze citaties zijn niet altijd 100% accuraat.