Mantell, M. I. (1963). Orientation in engineering (2nd ed.). National Book Store.
Cita Chicago (17th ed.)Mantell, Murray I. Orientation in Engineering. 2nd ed. Manila: National Book Store, 1963.
Cita MLA (9th ed.)Mantell, Murray I. Orientation in Engineering. 2nd ed. National Book Store, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.