Heick, W. (1919). Akrodermatitis chronica atrophicans. Speyer & Kaerner.
Chicago Style aipamenaHeick, Walter. Akrodermatitis Chronica Atrophicans. Freiburg i. Br.: Speyer & Kaerner, 1919.
MLA aipamenaHeick, Walter. Akrodermatitis Chronica Atrophicans. Speyer & Kaerner, 1919.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.