Dyfyniad APA
ebrary, Inc, Demas, G. E., & Nelson, R. J. (2012). Ecoimmunology. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Gregory E. Demas, and Randy Joe Nelson. Ecoimmunology. New York: Oxford University Press, 2012.
Dyfyniad MLA
ebrary, Inc, et al. Ecoimmunology. Oxford University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.