Long, L., & Long, N. (1994). Introduction to computers and information systems (4 th.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Long, Larry, agus Nancy Long. Introduction to Computers and Information Systems. 4 th. New Jersey: Prentice Hall, 1994.
Lua MLA (9ú heag.)Long, Larry, agus Nancy Long. Introduction to Computers and Information Systems. 4 th. Prentice Hall, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.