APA-referens (7:e uppl.)

Billingsley, R. S., & Gitman, L. J. J. (2021). Personal Financial Planning (15th.). Cengage Learning.

Chicago-referens (17:e uppl.)

Billingsley, Randall S., och Lawrence J. Joehnk Gitman. Personal Financial Planning. 15th. Delhi: Cengage Learning, 2021.

MLA-referens (9:e uppl.)

Billingsley, Randall S., och Lawrence J. Joehnk Gitman. Personal Financial Planning. 15th. Cengage Learning, 2021.