ebrary, Inc, Abrahamsen, E., & Fagerland, A. (2012). Health insurance: Issues, challenges and perspectives. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Edvard Abrahamsen, eta Aasta Fagerland. Health Insurance: Issues, Challenges and Perspectives. Hauppauge, N.Y.: Nova Science Publishers, 2012.
MLA (9th ed.) Zitazioaebrary, Inc, et al. Health Insurance: Issues, Challenges and Perspectives. Nova Science Publishers, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.