(1963). Letters: hand script and type design: January 16 through February 24, 1963.
Chicago-Zitierstil (17. Ausg.)Letters: Hand Script and Type Design: January 16 Through February 24, 1963. Minneapolis, Minn, 1963.
MLA-Zitierstil (9. Ausg.)Letters: Hand Script and Type Design: January 16 Through February 24, 1963. 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.