Paucker, P. (1998). Two typographer-calligraphers: Berthold Wolpe and Elizabeth Friedlander.
Chicago-Zitierstil (17. Ausg.)Paucker, Pauline. Two Typographer-calligraphers: Berthold Wolpe and Elizabeth Friedlander. München, 1998.
MLA-Zitierstil (8. Ausg.)Paucker, Pauline. Two Typographer-calligraphers: Berthold Wolpe and Elizabeth Friedlander. 1998.
警告：这些引文格式不一定是100％准确.