Sheppard, R. (1982). Zürich - Dadaco - Dadaglobe: The correspondence between Richard Huelsenbeck, Tristan Tzara and Kurt Wolff (1916-1924). Hutton Press.
Chicago-referens (17:e uppl.)Sheppard, Richard. Zürich - Dadaco - Dadaglobe: The Correspondence Between Richard Huelsenbeck, Tristan Tzara and Kurt Wolff (1916-1924). Tayport: Hutton Press, 1982.
MLA-referens (8:e uppl.)Sheppard, Richard. Zürich - Dadaco - Dadaglobe: The Correspondence Between Richard Huelsenbeck, Tristan Tzara and Kurt Wolff (1916-1924). Hutton Press, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.