Dyfyniad APA

Ponec-Waelsch, M. (1977). Chemical and biochemical aspects of topical psoriasis treatment. s.n..

Dyfyniad Arddull Chicago

Ponec-Waelsch, Maria. Chemical and Biochemical Aspects of Topical Psoriasis Treatment. [S.l.: s.n., 1977.

Dyfyniad MLA

Ponec-Waelsch, Maria. Chemical and Biochemical Aspects of Topical Psoriasis Treatment. s.n., 1977.

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