Silver, E. A. 1., Pyke, D. F., Peterson, R., Pyke, D. F., Pyke, D. F., Peterson, R., . . . Pyke, D. F. (1998). Inventory management and production planning and scheduling (3η έκδ.). New York: John Wiley.

Silver, Edward A. 1937-, D. F. Pyke, Rein Peterson, David F. Pyke, D. F. Pyke, Rein Peterson, Edward A 1937- Silver, and David F. Pyke. Inventory Management and Production Planning and Scheduling. 3η έκδ. New York: John Wiley, 1998.

Silver, Edward A. 1937-, et al. Inventory Management and Production Planning and Scheduling. 3η έκδ. New York: John Wiley, 1998.