Kark, S. L. (1974). Epidemiology and community medicine. [s.n.].
Lua i Stíl Chicago (17ú heag.)Kark, Sidney L. Epidemiology and Community Medicine. New York: [s.n.], 1974.
Lua MLA (9ú heag.)Kark, Sidney L. Epidemiology and Community Medicine. [s.n.], 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.