ebrary, Inc. (2004). Stress management: An Emerald guide. Emerald Group Publishing.
Chicago-viite (17. p.)ebrary, Inc. Stress Management: An Emerald Guide. Bradford, England: Emerald Group Publishing, 2004.
MLA-viite (9. p.)ebrary, Inc. Stress Management: An Emerald Guide. Emerald Group Publishing, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.