APA-viite (7. p.)

ProQuest (Firm), Preker, A. S., Scheffler, R. M., & Bassett, M. C. (2006). Private voluntary health insurance in development: Friend or foe. World Bank.

Chicago-viite (17. p.)

ProQuest (Firm), Alexander S. Preker, Richard M. Scheffler, ja Mark C. Bassett. Private Voluntary Health Insurance in Development: Friend or Foe. Washington, DC: World Bank, 2006.

MLA-viite (9. p.)

ProQuest (Firm), et al. Private Voluntary Health Insurance in Development: Friend or Foe. World Bank, 2006.