Dyfyniad APA

Kirby, T. J., Carpenter, M. F., Knott, T. A., & Brinkerhoff, R. M. (1930). Pupil activity English series. Harcourt, Brace.

Dyfyniad Arddull Chicago

Kirby, Thomas Joseph, Millington Farwell Carpenter, Thomas A. Knott, and R. M. Brinkerhoff. Pupil Activity English Series. New York ; Chicago: Harcourt, Brace, 1930.

Dyfyniad MLA

Kirby, Thomas Joseph, et al. Pupil Activity English Series. Harcourt, Brace, 1930.

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