Dyfyniad APA
ebrary, Inc, & Snyder, C. R. (1999). Coping: The psychology of what works. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, and C. R. Snyder. Coping: The Psychology of What Works. New York: Oxford University Press, 1999.
Dyfyniad MLA
ebrary, Inc, and C. R. Snyder. Coping: The Psychology of What Works. Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.