Dyfyniad APA

DEWEY, M., & Joan S Mitchell. (2011). Dewey Decimal Classification And Relative Index. Ohio: Online Computer Libarary Center Inc.

Dyfyniad Arddull Chicago

DEWEY, Melvil, and Joan S Mitchell. Dewey Decimal Classification And Relative Index. Ohio: Online Computer Libarary Center Inc, 2011.

Dyfyniad MLA

DEWEY, Melvil, and Joan S Mitchell. Dewey Decimal Classification And Relative Index. Ohio: Online Computer Libarary Center Inc, 2011.

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