Dyfyniad APA
Cartwright, F. F., & Biddiss, M. D. (1972). Disease and history. Dorset press.
Dyfyniad Arddull Chicago
Cartwright, Frederick F., and Michael D. Biddiss. Disease and History. New York: Dorset press, 1972.
Dyfyniad MLA
Cartwright, Frederick F., and Michael D. Biddiss. Disease and History. Dorset press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.