Dyfyniad APA

(1979). Reference books for small and medium-sized: Libraries. American library Association.

Dyfyniad Arddull Chicago

Reference Books for Small and Medium-sized: Libraries. Chicago: American library Association, 1979.

Dyfyniad MLA

Reference Books for Small and Medium-sized: Libraries. American library Association, 1979.

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