PROTHRD VIVIAN C. (1976). INFORMATION MANAGEMENT SYSTEMS DATEBASE PRIMER. PETROCELLI BOOKS.
Lua i Stíl Chicago (17ú heag.)PROTHRD VIVIAN C. INFORMATION MANAGEMENT SYSTEMS DATEBASE PRIMER. NEW YORK: PETROCELLI BOOKS, 1976.
Lua MLA (9ú heag.)PROTHRD VIVIAN C. INFORMATION MANAGEMENT SYSTEMS DATEBASE PRIMER. PETROCELLI BOOKS, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.