Citazione Stile APA (7a Edizione)

Campbell, D. S. (1995). Better sentence-writing in 30 minutes a day (Trade ed.). Career Press.

Citazione stile Chigago Style (17a edizione)

Campbell, Dianna S. Better Sentence-writing in 30 Minutes a Day. Trade ed. Franklin Lakes, N.J: Career Press, 1995.

Citatione MLA (9a ed.)

Campbell, Dianna S. Better Sentence-writing in 30 Minutes a Day. Trade ed. Career Press, 1995.