Timings, R. L. (1972). Mechanical engineering. Longman.
Cita Chicago (17th ed.)Timings, R. L. Mechanical Engineering. Harlow: Longman, 1972.
Cita MLA (8th ed.)Timings, R. L. Mechanical Engineering. Longman, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.