Dyfyniad APA

Poryk, M. K. (1983). Word Processing and Information Systems: Practical Approach to Concepts. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Poryk, Marilyn K. Word Processing and Information Systems: Practical Approach to Concepts. New York: McGraw-Hill, 1983.

Dyfyniad MLA

Poryk, Marilyn K. Word Processing and Information Systems: Practical Approach to Concepts. New York: McGraw-Hill, 1983.

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