Harrison, T. (1954). Principles of internal medicine. McGraw-Hill.
Dyfyniad Arddull ChicagoHarrison, T.R. Principles of Internal Medicine. New York: McGraw-Hill, 1954.
Dyfyniad MLAHarrison, T.R. Principles of Internal Medicine. McGraw-Hill, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.