Dyfyniad APA

Marcella, R., & Maltby, A. (2000). The Future of classification. Gower.

Dyfyniad Arddull Chicago

Marcella, Rita, and Arthur Maltby. The Future of Classification. Aldershot, Hants, Eng: Gower, 2000.

Dyfyniad MLA

Marcella, Rita, and Arthur Maltby. The Future of Classification. Gower, 2000.

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