APA aipamena

Turner, J. S., & Helms, D. B. (1983). Lifespan development (2nd ed.). New York: Holt, Rinehart, and Winston.

Chicago Style aipamena

Turner, Jeffrey S., và Donald B. Helms. Lifespan Development. 2nd ed. New York: Holt, Rinehart, and Winston, 1983.

MLA aipamena

Turner, Jeffrey S., và Donald B. Helms. Lifespan Development. 2nd ed. New York: Holt, Rinehart, and Winston, 1983.