Rumold, R. (2002). The Janus face of the German avant-garde: From expressionism toward postmodernism. Northwestern Univ. Press.
Chicago-referens (17:e uppl.)Rumold, Rainer. The Janus Face of the German Avant-garde: From Expressionism Toward Postmodernism. Evanston, ILL: Northwestern Univ. Press, 2002.
MLA-referens (8:e uppl.)Rumold, Rainer. The Janus Face of the German Avant-garde: From Expressionism Toward Postmodernism. Northwestern Univ. Press, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.