Dyfyniad APA
ebrary, Inc, Friedman, H. S., & Silver, R. C. (2007). Foundations of health psychology. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Howard S. Friedman, and Roxane Cohen Silver. Foundations of Health Psychology. Oxford ; New York: Oxford University Press, 2007.
Dyfyniad MLA
ebrary, Inc, et al. Foundations of Health Psychology. Oxford University Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.