University of Illinois (Urbana-Champaign campus). Library School. (1949). Occasional papers. University of Illinois Library School.
Chicago-Zitierstil (17. Ausg.)University of Illinois (Urbana-Champaign campus). Library School. Occasional Papers. Urbana, Ill.: University of Illinois Library School, 1949.
MLA-Zitierstil (8. Ausg.)University of Illinois (Urbana-Champaign campus). Library School. Occasional Papers. University of Illinois Library School, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.