Dyfyniad APA

Warren, S., & Warren, K. G. (2001). Multiple sclerosis. World Health Organisation.

Dyfyniad Arddull Chicago

Warren, Sharon, and Kenneth G. Warren. Multiple Sclerosis. Geneva: World Health Organisation, 2001.

Dyfyniad MLA

Warren, Sharon, and Kenneth G. Warren. Multiple Sclerosis. World Health Organisation, 2001.

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