Brown, Denise Whichello
A Beginner's Guide to Aromatheraphy: How this natural healing art can enhance your health and vitality
Silverdale Books, 2003
 Buku Teks SO
Macleoin, Beth
Healthy by nature: A women's guide to well-being and vitality
Thorsons, 1994
 Buku Teks SO
Travis, John W
Wellness Workbook: How to Achieve Enduring Health and Vitality
Celestial Arts, 2004
 Buku Teks SO
Edwards, Brian
Rough guide to sustainability a design primer
[RIBA , RIBA ], 2010
 eBooks
Waltner-Toews, David, 1948-
Ecosystem sustainability and health : a practical approach
Cambridge University Press, 2004
 Buku Teks