Schulz, R., & Ewen, R. B. (1988). Adult development and aging: Myths and emerging realities. Macmillan.
Lua i Stíl Chicago (17ú heag.)Schulz, Richard, agus Robert B. Ewen. Adult Development and Aging: Myths and Emerging Realities. New York: Macmillan, 1988.
Lua MLA (9ú heag.)Schulz, Richard, agus Robert B. Ewen. Adult Development and Aging: Myths and Emerging Realities. Macmillan, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.