ebrary, Inc, & Powell, J. L. (2012). Understanding the voluntary sector: Critical success factors : a case study. Nova Science Publishers.
Chicago-viite (17. p.)ebrary, Inc, ja Jason L. Powell. Understanding the Voluntary Sector: Critical Success Factors : A Case Study. New York: Nova Science Publishers, 2012.
MLA-viite (9. p.)ebrary, Inc, ja Jason L. Powell. Understanding the Voluntary Sector: Critical Success Factors : A Case Study. Nova Science Publishers, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.