Dyfyniad APA

Bowman, W. B., & Oliverio, M. E. (1961). Shorthand dictation studies (3d ed.). South-Western Pub. Co.

Dyfyniad Arddull Chicago

Bowman, Wallace B., and Mary Ellen Oliverio. Shorthand Dictation Studies. 3d ed. Cincinnati: South-Western Pub. Co, 1961.

Dyfyniad MLA

Bowman, Wallace B., and Mary Ellen Oliverio. Shorthand Dictation Studies. 3d ed. South-Western Pub. Co, 1961.

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