CALLAN, M. F., & YEAGER, D. C. (1991). Containing the health care cost spiral. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)CALLAN, Mary Frances, agus David Clark YEAGER. Containing the Health Care Cost Spiral. New York: McGraw-Hill, 1991.
Lua MLA (9ú heag.)CALLAN, Mary Frances, agus David Clark YEAGER. Containing the Health Care Cost Spiral. McGraw-Hill, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.