Não informado. (2003). Journal of professional services marketing. Haworth Press.
Chicago-referens (17:e uppl.)Não informado. Journal of Professional Services Marketing. New York: Haworth Press, 2003.
MLA-referens (8:e uppl.)Não informado. Journal of Professional Services Marketing. Haworth Press, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.