Ponec-Waelsch, M. (1977). Chemical and biochemical aspects of topical psoriasis treatment. s.n..
Chicago Style aipamenaPonec-Waelsch, Maria. Chemical and Biochemical Aspects of Topical Psoriasis Treatment. [S.l.: s.n., 1977.
MLA aipamenaPonec-Waelsch, Maria. Chemical and Biochemical Aspects of Topical Psoriasis Treatment. s.n., 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.