Dyfyniad APA

(1968). Standards for cataloging, coding, and scheduling educational media. s.n.

Dyfyniad Arddull Chicago

Standards for Cataloging, Coding, and Scheduling Educational Media. Washington, D.C: s.n, 1968.

Dyfyniad MLA

Standards for Cataloging, Coding, and Scheduling Educational Media. s.n, 1968.

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