Dyfyniad APA

ebrary, Inc, & Madsen, M. H. (2011). Rheumatoid arthritis: Prevalence, risk factors, and health effects. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, and Michael H. Madsen. Rheumatoid Arthritis: Prevalence, Risk Factors, and Health Effects. Hauppauge, NY: Nova Science Publishers, 2011.

Dyfyniad MLA

ebrary, Inc, and Michael H. Madsen. Rheumatoid Arthritis: Prevalence, Risk Factors, and Health Effects. Nova Science Publishers, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.