Sorkin, A. L. (1975). Health economics: An introduction. Lexington Books.
Chicago Style aipamenaSorkin, Alan L. Health Economics: An Introduction. Lexington, Mass.: Lexington Books, 1975.
MLA aipamenaSorkin, Alan L. Health Economics: An Introduction. Lexington Books, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.