Dyfyniad APA

Schulz, R., & Ewen, R. B. (1988). Adult development and aging: Myths and emerging realities. Macmillan.

Dyfyniad Arddull Chicago

Schulz, Richard, and Robert B. Ewen. Adult Development and Aging: Myths and Emerging Realities. New York: Macmillan, 1988.

Dyfyniad MLA

Schulz, Richard, and Robert B. Ewen. Adult Development and Aging: Myths and Emerging Realities. Macmillan, 1988.

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