Dyfyniad APA

Hyman, R. J. (1989). Information access: Capabilities and limitations of printed and computerized sources. American Library Association.

Dyfyniad Arddull Chicago

Hyman, Richard Joseph. Information Access: Capabilities and Limitations of Printed and Computerized Sources. Chicago: American Library Association, 1989.

Dyfyniad MLA

Hyman, Richard Joseph. Information Access: Capabilities and Limitations of Printed and Computerized Sources. American Library Association, 1989.

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