Citazione APA

Brewington, A. (1937). Direct-method materials for Gregg shorthand: Teacher's manual. The Gregg Pub. Co..

Stile di citazione Chicago

Brewington, Ann. Direct-method Materials for Gregg Shorthand: Teacher's Manual. New York : Chicago [etc.]: The Gregg Pub. Co., 1937.

Citazione MLA

Brewington, Ann. Direct-method Materials for Gregg Shorthand: Teacher's Manual. The Gregg Pub. Co., 1937.