Ugent, S. J. (1990). Clinical Dermatology: A Color Guide to Diagnosis and Therapy. Second Edition.
Dyfyniad Arddull ChicagoUgent, Steven J. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. Second Edition. 1990.
Dyfyniad MLAUgent, Steven J. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. Second Edition. 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.