Dyfyniad APA

Oppenheim, e. C. (1989). Perspectives in information management 1. Butterworths.

Dyfyniad Arddull Chicago

Oppenheim, ed. Charles. Perspectives in Information Management 1. Butterworths, 1989.

Dyfyniad MLA

Oppenheim, ed. Charles. Perspectives in Information Management 1. Butterworths, 1989.

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