Tice, C. J., & Perkins, K. R. (1996). Mental health issues % aging: Building on the strengths of older persons. Brooks/Cole.
Dyfyniad Arddull ChicagoTice, Carolyn J., and Kathleen R. Perkins. Mental Health Issues % Aging: Building on the Strengths of Older Persons. Pacific Grove, Calif: Brooks/Cole, 1996.
Dyfyniad MLATice, Carolyn J., and Kathleen R. Perkins. Mental Health Issues % Aging: Building on the Strengths of Older Persons. Brooks/Cole, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.