Dyfyniad APA

University of Illinois (Urbana-Champaign campus). Library School. (1949). Occasional papers. University of Illinois Library School.

Dyfyniad Arddull Chicago

University of Illinois (Urbana-Champaign campus). Library School. Occasional Papers. Urbana, Ill.: University of Illinois Library School, 1949.

Dyfyniad MLA

University of Illinois (Urbana-Champaign campus). Library School. Occasional Papers. University of Illinois Library School, 1949.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.