Gaya APA

Ptak, C, A., schragenheim, E. (the St. Lucie Series). ERP tools,techniques,and applications for intergrating the supply chain (2). New York: .

Gaya MLA

Ptak, Carol, A.., schragenheim, Eli. "ERP tools,techniques,and applications for intergrating the supply chain". 2 New York: , the St. Lucie Series. Text.