Dyfyniad APA
ebrary, Inc, & Koch, J. (2010). Mental illnesses: Descriptions, causes and treatments. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, and Jeremias Koch. Mental Illnesses: Descriptions, Causes and Treatments. New York: Nova Science Publishers, 2010.
Dyfyniad MLA
ebrary, Inc, and Jeremias Koch. Mental Illnesses: Descriptions, Causes and Treatments. Nova Science Publishers, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.