Dyfyniad APA
Henderson, J. (1978). Emergency medical guide (4th ed.). McGraw Hill.
Dyfyniad Arddull Chicago
Henderson, John. Emergency Medical Guide. 4th ed. New York: McGraw Hill, 1978.
Dyfyniad MLA
Henderson, John. Emergency Medical Guide. 4th ed. McGraw Hill, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.