Knowles, J. H. (1965). Hospitals, doctors, and the public interest. Harvard University Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKnowles, John H. Hospitals, Doctors, and the Public Interest. Cambridge: Harvard University Press, 1965.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিKnowles, John H. Hospitals, Doctors, and the Public Interest. Harvard University Press, 1965.