Dyfyniad APA

(1967). Anglo-American cataloging rules ((General ed., C. Sumner Spalding).). America Library Association.

Dyfyniad Arddull Chicago

Anglo-American Cataloging Rules. (General ed., C. Sumner Spalding). Chicago: America Library Association, 1967.

Dyfyniad MLA

Anglo-American Cataloging Rules. (General ed., C. Sumner Spalding). America Library Association, 1967.

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