H. Ballou, R., & K. Srivastava, S. (2007). Business Logistis/Supply Chain Management (5th ed.). Dorling Kindersley.
Cita Chicago (17th ed.)H. Ballou, Ronald, i Samir K. Srivastava. Business Logistis/Supply Chain Management. 5th ed. New Delhi, India: Dorling Kindersley, 2007.
Cita MLA (9th ed.)H. Ballou, Ronald, i Samir K. Srivastava. Business Logistis/Supply Chain Management. 5th ed. Dorling Kindersley, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.