APA (7e ed.) Bronvermelding

Kail, R. V., & Cavanaugh, J. C. (2023). Human development: A life-span view (9th edition.). Cengage Learning.

Chicago (17e ed.) Bronvermelding

Kail, Robert V., en John C. Cavanaugh. Human Development: A Life-span View. 9th edition. Australia: Cengage Learning, 2023.

MLA (9e ed.) Bronvermelding

Kail, Robert V., en John C. Cavanaugh. Human Development: A Life-span View. 9th edition. Cengage Learning, 2023.