(1983). The art of German drawing.
Chicago-Zitierstil (17. Ausg.)The Art of German Drawing. London, 1983.
MLA-Zitierstil (8. Ausg.)The Art of German Drawing. 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1983). The art of German drawing.
Chicago-Zitierstil (17. Ausg.)The Art of German Drawing. London, 1983.
MLA-Zitierstil (8. Ausg.)The Art of German Drawing. 1983.