Walser, R. (1989). Reclining red: Non-objective painting and sculpture ; Edgar Gutbub, Leo Kornbrust ; Alfons Lachauer, Alf Lechner, Christiane Möbus, Alf Schuler, Dieter Villinger.
Chicago-viite (17. p.)Walser, Rupert. Reclining Red: Non-objective Painting and Sculpture ; Edgar Gutbub, Leo Kornbrust ; Alfons Lachauer, Alf Lechner, Christiane Möbus, Alf Schuler, Dieter Villinger. München, 1989.
MLA-viite (8. p.)Walser, Rupert. Reclining Red: Non-objective Painting and Sculpture ; Edgar Gutbub, Leo Kornbrust ; Alfons Lachauer, Alf Lechner, Christiane Möbus, Alf Schuler, Dieter Villinger. 1989.
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