Hill, R. (1964). Principles of dynamics. The MacMillan Co.
Cita Chicago (17th ed.)Hill, Rodney. Principles of Dynamics. Nueva York: The MacMillan Co, 1964.
Cita MLA (9th ed.)Hill, Rodney. Principles of Dynamics. The MacMillan Co, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.