Ptak, C. A., & Schragenheim, E. (2004). ERP: : tools, techniques, and applications for integrating the supply chain (2nd edition.). St. Lucie Press.
芝加哥风格引文Ptak, Carol A., 与 Eli Schragenheim. ERP: : Tools, Techniques, and Applications for Integrating the Supply Chain. 2nd edition. Boca Raton, Fluorida: St. Lucie Press, 2004.
MLA引文Ptak, Carol A., 与 Eli Schragenheim. ERP: : Tools, Techniques, and Applications for Integrating the Supply Chain. 2nd edition. St. Lucie Press, 2004.
警告：这些引文格式不一定是100％准确.