Dyfyniad APA

Turner, J. S., & Helms, D. B. (1986). Contemporary adulthood (3rd ed.). Holt, Rinehart, and Winston.

Dyfyniad Arddull Chicago

Turner, Jeffrey S., and Donald B. Helms. Contemporary Adulthood. 3rd ed. New York: Holt, Rinehart, and Winston, 1986.

Dyfyniad MLA

Turner, Jeffrey S., and Donald B. Helms. Contemporary Adulthood. 3rd ed. Holt, Rinehart, and Winston, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.