Squires, G. L. (1968). Practical physics (Third Edition.). Cambridge University Press.
Cita Chicago (17th ed.)Squires, Gordon Leslie. Practical Physics. Third Edition. Cambridge: Cambridge University Press, 1968.
Cita MLA (8th ed.)Squires, Gordon Leslie. Practical Physics. Third Edition. Cambridge University Press, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.