Bennet, S. C. (1997). Health insurance schemes for people outside formal sector employment. World Health Organization.
Chicago-viite (17. p.)Bennet, Sara Creese. Health Insurance Schemes for People Outside Formal Sector Employment. Geneva: World Health Organization, 1997.
MLA-viite (8. p.)Bennet, Sara Creese. Health Insurance Schemes for People Outside Formal Sector Employment. World Health Organization, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.