APA-referens (7:e uppl.)
ebrary, Inc, Stebbins, R. A., & Graham, M. (2004). Volunteering as leisure/leisure as volunteering: An international assessment. CABI Pub..
Chicago-referens (17:e uppl.)
ebrary, Inc, Robert A. Stebbins, och Margaret Graham. Volunteering as Leisure/leisure as Volunteering: An International Assessment. Oxon, UK ; Cambridge, MA: CABI Pub., 2004.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Volunteering as Leisure/leisure as Volunteering: An International Assessment. CABI Pub., 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.