Highum, C. (1967). Centralized processing for public libraries in Illinois.
Lua i Stíl Chicago (17ú heag.)Highum, Clayton. Centralized Processing for Public Libraries in Illinois. Springfield, 1967.
Lua MLA (8ú heag.)Highum, Clayton. Centralized Processing for Public Libraries in Illinois. 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.