APA Style

Ptak, C, A., Schragenheim, E. (2000). ERP: tools, techniques, and applications for integrating the supply chain . : London: St. Lucie Press, 1996.

MLA Style

Ptak, Carol, A., Schragenheim, Eli. "ERP: tools, techniques, and applications for integrating the supply chain". : London: St. Lucie Press, 1996, 2000. BOOKS.