Cartwright, F. F., & Biddiss, M. D. (1974). Disease and History. The New American Library, Inc..
Chicago-Zitierstil (17. Ausg.)Cartwright, Frederick F., und Michael D. Biddiss. Disease and History. New York: The New American Library, Inc., 1974.
MLA-Zitierstil (8. Ausg.)Cartwright, Frederick F., und Michael D. Biddiss. Disease and History. The New American Library, Inc., 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.