M, P. M. (1988). Theory of Interest (1st edition.). ACTEX.
Cita Chicago (17th ed.)M, Permenter M. Theory of Interest. 1st edition. Winsted: ACTEX, 1988.
Cita MLA (9th ed.)M, Permenter M. Theory of Interest. 1st edition. ACTEX, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.