Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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