(1990). The art of German drawing.
Chicago Style (17. basım) AtıfThe Art of German Drawing. London, 1990.
MLA (8th ed.) AtıfThe Art of German Drawing. 1990.
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(1990). The art of German drawing.
Chicago Style (17. basım) AtıfThe Art of German Drawing. London, 1990.
MLA (8th ed.) AtıfThe Art of German Drawing. 1990.