Dyfyniad APA

(1975). Nonprint media in academic libraries. American Library Association.

Dyfyniad Arddull Chicago

Nonprint Media in Academic Libraries. Chicago: American Library Association, 1975.

Dyfyniad MLA

Nonprint Media in Academic Libraries. American Library Association, 1975.

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