Citazione Stile APA (7a Edizione)

Morris, D. G. (2002). Calculate with confidence (3rd ed.). Mosby.

Citazione stile Chigago Style (17a edizione)

Morris, Deborah Gray. Calculate with Confidence. 3rd ed. St. Louis: Mosby, 2002.

Citatione MLA (9a ed.)

Morris, Deborah Gray. Calculate with Confidence. 3rd ed. Mosby, 2002.