Dyfyniad APA
Gupta, P. J. (2010). A guide to hemorrhoidal disease. Nova Science Publishers.
Dyfyniad Arddull Chicago
Gupta, Pravin Jaiprakash. A Guide to Hemorrhoidal Disease. New York: Nova Science Publishers, 2010.
Dyfyniad MLA
Gupta, Pravin Jaiprakash. A Guide to Hemorrhoidal Disease. Nova Science Publishers, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.