Dyfyniad APA

Betts, E. A., & Welch, C. M. (1963). The ABC American adventures (Teacher's edition, annotated and keyed.). American Book Company.

Dyfyniad Arddull Chicago

Betts, Emmett A., and Carolyn M. Welch. The ABC American Adventures. Teacher's edition, annotated and keyed. New York ; a Cincinnati ; Chicago ; Atlanta ; Dallas ; Millbrae: American Book Company, 1963.

Dyfyniad MLA

Betts, Emmett A., and Carolyn M. Welch. The ABC American Adventures. Teacher's edition, annotated and keyed. American Book Company, 1963.

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