Dyfyniad APA

Oppenheim, C., & Citroen, C. L. (1989). Perspectives in information management 1. Butterworths.

Dyfyniad Arddull Chicago

Oppenheim, Charles, and Charles L. Citroen. Perspectives in Information Management 1. London: Butterworths, 1989.

Dyfyniad MLA

Oppenheim, Charles, and Charles L. Citroen. Perspectives in Information Management 1. Butterworths, 1989.

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