Dyfyniad APA

Cooper, C. L., & Markides, K. S. (1989). Aging, stress, and health. Wiley.

Dyfyniad Arddull Chicago

Cooper, Carl L., and Kyriakos S. Markides. Aging, Stress, and Health. Chichester [Eng.]: Wiley, 1989.

Dyfyniad MLA

Cooper, Carl L., and Kyriakos S. Markides. Aging, Stress, and Health. Wiley, 1989.

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