Dyfyniad APA

ebrary, Inc. (2004). Stress management: An Emerald guide. Emerald Group Publishing.

Dyfyniad Arddull Chicago

ebrary, Inc. Stress Management: An Emerald Guide. Bradford, England: Emerald Group Publishing, 2004.

Dyfyniad MLA

ebrary, Inc. Stress Management: An Emerald Guide. Emerald Group Publishing, 2004.

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