Dyfyniad APA

Welsh, A. (2012). Practical cataloguing: AACR, RDA and MARC21. New York: Neal-Schuman Publishers, imprint of American Library Association.

Dyfyniad Arddull Chicago

Welsh, Anne. Practical Cataloguing: AACR, RDA and MARC21. New York: Neal-Schuman Publishers, imprint of American Library Association, 2012.

Dyfyniad MLA

Welsh, Anne. Practical Cataloguing: AACR, RDA and MARC21. New York: Neal-Schuman Publishers, imprint of American Library Association, 2012.

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