Rujukan Kesukarelawanan

  1. Wilson, John (2000). "Volunteering". Annual Review of Sociology (26): 215. doi:10.1146/annurev.soc.26.1.215. Dicapai 12 April 2017. 
  2. "Benefits of Volunteering". nationalservice.gov.  Missing or empty |url= (bantuan); |access-date= memerlukan |url= (bantuan)
  3. "Online Volunteering". UN Volunteers. Diarkibkan daripada asal pada 2 May 2012. Dicapai 30 April 2012. 
  4. "Micro-Volunteering via Mobile Phones - Using Spare Time to Micro-Volunteer"
  5. "Environmental Volunteer Work". Peace Corps. Dicapai 30 April 2012. 

Rujukan

WikiPedia: Kesukarelawanan http://nonprofit.about.com/od/volunteers/a/microvo... http://www.psychologie-aktuell.com/fileadmin/downl... http://www.peacecorps.gov/index.cfm?shell=learn.wh... http://www.annualreviews.org/doi/10.1146/annurev.s... http://dmoz.org/Society/Philanthropy/Volunteering/ //doi.org/10.1146%2Fannurev.soc.26.1.215 http://www.ipu.org/PDF/publications/volunteer_en.p... http://www.onlinevolunteering.org/en/index.html https://id.loc.gov/authorities/subjects/sh85144334 https://d-nb.info/gnd/4121161-3