Dyfyniad APA

Lookingbill, D. P. (1985). Principles of dermatology. Philadelphia: W.B. Saunders Company.

Dyfyniad Arddull Chicago

Lookingbill, Donald P. Principles of Dermatology. Philadelphia: W.B. Saunders Company, 1985.

Dyfyniad MLA

Lookingbill, Donald P. Principles of Dermatology. Philadelphia: W.B. Saunders Company, 1985.

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