Coronet Instructional Films & Lemmert, D. (1970). Alphabetic filing. Coronet Instructional Films.
Lua i Stíl Chicago (17ú heag.)Coronet Instructional Films agus Dorothy Lemmert. Alphabetic Filing. Chicago: Coronet Instructional Films, 1970.
Lua MLA (8ú heag.)Coronet Instructional Films agus Dorothy Lemmert. Alphabetic Filing. Coronet Instructional Films, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.