Ballou, R. H. (2004). Business Logistics/supply chain management: Planning,organizing,and controlling the supply chain (5th ed.). Prentice Hall.

Ballou, Ronald H. Business Logistics/supply Chain Management: Planning,organizing,and Controlling the Supply Chain. 5th ed. New Jersey: Prentice Hall, 2004.

Ballou, Ronald H. Business Logistics/supply Chain Management: Planning,organizing,and Controlling the Supply Chain. 5th ed. Prentice Hall, 2004.