Dyfyniad APA

ARL: A Bimonthly Report on Research Library Issues & Actions. Association of Research Libraries.

Dyfyniad Arddull Chicago

ARL: A Bimonthly Report on Research Library Issues & Actions. Association of Research Libraries.

Dyfyniad MLA

ARL: A Bimonthly Report on Research Library Issues & Actions. Association of Research Libraries.

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