Randall Billingsley & Lawaence Gitman, M. J. (2021). Personal Financial Planning (14th ed.). Cengage.
Cita Chicago (17th ed.)Randall Billingsley i Michael Joehnk Lawaence Gitman. Personal Financial Planning. 14th ed. Boston: Cengage, 2021.
Cita MLA (9th ed.)Randall Billingsley i Michael Joehnk Lawaence Gitman. Personal Financial Planning. 14th ed. Cengage, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.