Dyfyniad APA
ebrary, Inc, Todorov, I., & Novak, F. (2012). Cancer in the elderly. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, Ivan Todorov, and Filip Novak. Cancer in the Elderly. New York: Nova Science Publishers, 2012.
Dyfyniad MLA
ebrary, Inc, et al. Cancer in the Elderly. Nova Science Publishers, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.