Vollmann, T. E., Berry, W. L., & Whybark, D. C. (1997). Manufacturing planning and control systems (4th ed.). Irwin/McGraw-Hill.
Chicago-viite (17. p.)Vollmann, Thomas E., William L. Berry, ja D. Clay Whybark. Manufacturing Planning and Control Systems. 4th ed. New York: Irwin/McGraw-Hill, 1997.
MLA-viite (9. p.)Vollmann, Thomas E., et al. Manufacturing Planning and Control Systems. 4th ed. Irwin/McGraw-Hill, 1997.
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