APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

Turner, Jeffrey S., juo Donald B. Helms. Lifespan Development. 2nd. ed. Holt, Rinehart and Winston, 1983.

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