Mantell, M. I. (1963). Orientation in engineering (2nd ed.). National Book Store.
Chicago-viite (17. p.)Mantell, Murray I. Orientation in Engineering. 2nd ed. Manila: National Book Store, 1963.
MLA-viite (9. p.)Mantell, Murray I. Orientation in Engineering. 2nd ed. National Book Store, 1963.
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