APA (7e ed.) Bronvermelding

Peterson, R. (2020). Personal development for life and work. Larsen & Keller.

Chicago (17e ed.) Bronvermelding

Peterson, Rory. Personal Development for Life and Work. New York, NY, USA: Larsen & Keller, 2020.

MLA (9e ed.) Bronvermelding

Peterson, Rory. Personal Development for Life and Work. Larsen & Keller, 2020.