Kingsbury, R. F. (1965). Elements of physics. Van Nostrand.
Cita Chicago (17th ed.)Kingsbury, Robert F. Elements of Physics. Princeton: Van Nostrand, 1965.
Cita MLA (9th ed.)Kingsbury, Robert F. Elements of Physics. Van Nostrand, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.