Forgacs, E. (2003). Definitive Space: The Many Utopias of El Lissitzky's Proun Room. Situating El Lissitzky : Vitebsk, Berlin, Moscow.
Chicago-Zitierstil (17. Ausg.)Forgacs, Eva. "Definitive Space: The Many Utopias of El Lissitzky's Proun Room." Situating El Lissitzky : Vitebsk, Berlin, Moscow 2003.
MLA-Zitierstil (8. Ausg.)Forgacs, Eva. "Definitive Space: The Many Utopias of El Lissitzky's Proun Room." Situating El Lissitzky : Vitebsk, Berlin, Moscow, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.