Dyfyniad APA
ebrary, Inc, & Morse, S. S. (1993). Emerging viruses. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, and Stephen S. Morse. Emerging Viruses. New York: Oxford University Press, 1993.
Dyfyniad MLA
ebrary, Inc, and Stephen S. Morse. Emerging Viruses. Oxford University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.