Long, L. (1993). Introduction to computers and information processing (3rd ed.). St. Martin Publications.
Lua i Stíl Chicago (17ú heag.)Long, Larry. Introduction to Computers and Information Processing. 3rd ed. Quezon City: St. Martin Publications, 1993.
Lua MLA (9ú heag.)Long, Larry. Introduction to Computers and Information Processing. 3rd ed. St. Martin Publications, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.