Dyfyniad APA

J C Catford. (1968). Language learning: Vol.17 - No. 3 & 4. Michigan: Research Club in Language Learning.

Dyfyniad Arddull Chicago

J C Catford. Language Learning: Vol.17 - No. 3 & 4. Michigan: Research Club in Language Learning, 1968.

Dyfyniad MLA

J C Catford. Language Learning: Vol.17 - No. 3 & 4. Michigan: Research Club in Language Learning, 1968.

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