Citazione Stile APA (7a Edizione)

Downing, D., & Clark, J. (2003). Business statistics (4th ed.). Barron's.

Citazione stile Chigago Style (17a edizione)

Downing, Douglas, e Jeffrey Clark. Business Statistics. 4th ed. Hauppauge, NY: Barron's, 2003.

Citatione MLA (9a ed.)

Downing, Douglas, e Jeffrey Clark. Business Statistics. 4th ed. Barron's, 2003.