1. Management: Return of the native executive; many repatriations fail, at huge cost to companies;Abueva;New York Times,2000
2. Adams J W 1998 US expatriate handbook: Guide to living & working abroad. West Virginia University College of Business & Economics. Online. Available: www.wvu.edu/~colbe
3. Guide for adult immunization;American College of Physicians and Infectious Diseases Society of America,1994
4. Psychophysiological reactions to international adjustment. Results from a controlled, longitudinal study;Anderzen;Psychother Psychosomat,1999
5. Association for Safe International Travel. Online. Available: www.asirt.org