Ramsey, A. S. (1993). Dynamics. Modern Book Centre.
Cita Chicago (17th ed.)Ramsey, A. S. Dynamics. Cambridge: Modern Book Centre, 1993.
Cita MLA (9th ed.)Ramsey, A. S. Dynamics. Modern Book Centre, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.