University of Illinois (Urbana-Champaign campus). Library School. (1949). Occasional papers. University of Illinois Library School.
Chicago-viite (17. p.)University of Illinois (Urbana-Champaign campus). Library School. Occasional Papers. Urbana, Ill.: University of Illinois Library School, 1949.
MLA-viite (8. p.)University of Illinois (Urbana-Champaign campus). Library School. Occasional Papers. University of Illinois Library School, 1949.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.