Dyfyniad APA

Blonna, R. (2007). Coping with stress in a changing world. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Blonna, Richard. Coping With Stress in a Changing World. Boston: McGraw-Hill, 2007.

Dyfyniad MLA

Blonna, Richard. Coping With Stress in a Changing World. Boston: McGraw-Hill, 2007.

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