Dyfyniad APA

O'brien, J. A. (1998). Introduction to information systems: An internetworked enterprise perspective. Boston: Irwin.

Dyfyniad Arddull Chicago

O'brien, James A. Introduction to Information Systems: An Internetworked Enterprise Perspective. Boston: Irwin, 1998.

Dyfyniad MLA

O'brien, James A. Introduction to Information Systems: An Internetworked Enterprise Perspective. Boston: Irwin, 1998.

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