APA (7 वां संस्करण) प्रशस्ति पत्र

Kail, R. V., & Cavanaugh, J. C. (2019). Human development: A life-span view (8th ed.). Cengage.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kail, Robert V., और John C. Cavanaugh. Human Development: A Life-span View. 8th ed. Boston, MA: Cengage, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kail, Robert V., और John C. Cavanaugh. Human Development: A Life-span View. 8th ed. Cengage, 2019.