Paucker, P. (1998). Two typographer-calligraphers: Berthold Wolpe and Elizabeth Friedlander.
Cita Chicago (17th ed.)Paucker, Pauline. Two Typographer-calligraphers: Berthold Wolpe and Elizabeth Friedlander. München, 1998.
Cita MLA (8th ed.)Paucker, Pauline. Two Typographer-calligraphers: Berthold Wolpe and Elizabeth Friedlander. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.