Stevenson, W. J. (1996). Production/operations management (Fift edition.). Busy Book Distributors.
Chicago-viite (17. p.)Stevenson, William J. Production/operations Management. Fift edition. Quezon City: Busy Book Distributors, 1996.
MLA-viite (9. p.)Stevenson, William J. Production/operations Management. Fift edition. Busy Book Distributors, 1996.
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