Knowles, J. H. (1965). Hospitals, doctors, and the public interest. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Knowles, John H. Hospitals, Doctors, and the Public Interest. Cambridge: Harvard University Press, 1965.
Lua MLA (9ú heag.)Knowles, John H. Hospitals, Doctors, and the Public Interest. Harvard University Press, 1965.