Dyfyniad APA

Bell, K. L. (1979). Building English skills (Teacher's ed.). McDougal, Littell.

Dyfyniad Arddull Chicago

Bell, Kathleen L. Building English Skills. Teacher's ed. Evanston, Ill.: McDougal, Littell, 1979.

Dyfyniad MLA

Bell, Kathleen L. Building English Skills. Teacher's ed. McDougal, Littell, 1979.

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