Dyfyniad APA

O'BRIEN JAMES A. (1991). MANAGEMENT INFORMATION SYSTEMS: A MANAGERIAL & USER PERSPECTIVE. GALGOTIA PUBLICATIONS.

Dyfyniad Arddull Chicago

O'BRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS: A MANAGERIAL & USER PERSPECTIVE. NEW DELHI: GALGOTIA PUBLICATIONS, 1991.

Dyfyniad MLA

O'BRIEN JAMES A. MANAGEMENT INFORMATION SYSTEMS: A MANAGERIAL & USER PERSPECTIVE. GALGOTIA PUBLICATIONS, 1991.

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