APA (7e ed.) Bronvermelding
Sabri, E. H., Gupta, A. P., & Beitler, M. A. (2007). Purchase order management best practices: Process, technology, and change management. J. Ross Pub..
Chicago (17e ed.) Bronvermelding
Sabri, Ehap H., Arun P. Gupta, en Michael A. Beitler. Purchase Order Management Best Practices: Process, Technology, and Change Management. Ft. Lauderdale, Fla.: J. Ross Pub., 2007.
MLA (9e ed.) Bronvermelding
Sabri, Ehap H., et al. Purchase Order Management Best Practices: Process, Technology, and Change Management. J. Ross Pub., 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.