Dyfyniad APA

Long, L., & Long, N. (1994). Introduction to computers and information systems (4 th.). Prentice Hall.

Dyfyniad Arddull Chicago

Long, Larry, and Nancy Long. Introduction to Computers and Information Systems. 4 th. New Jersey: Prentice Hall, 1994.

Dyfyniad MLA

Long, Larry, and Nancy Long. Introduction to Computers and Information Systems. 4 th. Prentice Hall, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.