APA (7e ed.) Bronvermelding

Randall Billingsley & Lawaence Gitman, M. J. (2021). Personal Financial Planning (14th ed.). Cengage.

Chicago (17e ed.) Bronvermelding

Randall Billingsley en Michael Joehnk Lawaence Gitman. Personal Financial Planning. 14th ed. Boston: Cengage, 2021.

MLA (9e ed.) Bronvermelding

Randall Billingsley en Michael Joehnk Lawaence Gitman. Personal Financial Planning. 14th ed. Cengage, 2021.