Thring, M. W. (1964). The principles of applied science. Pergamon Press.
Cita Chicago (17th ed.)Thring, M. W. The Principles of Applied Science. Oxford: Pergamon Press, 1964.
Cita MLA (8th ed.)Thring, M. W. The Principles of Applied Science. Pergamon Press, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.