Dyfyniad APA

(1942). A.L.A. rules for filing catalog cards / prepared by a special committee, Sophie K. Hiss, chairman.

Dyfyniad Arddull Chicago

A.L.A. Rules for Filing Catalog Cards / Prepared by a Special Committee, Sophie K. Hiss, Chairman. 1942.

Dyfyniad MLA

A.L.A. Rules for Filing Catalog Cards / Prepared by a Special Committee, Sophie K. Hiss, Chairman. 1942.

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