Citazione Stile APA (7a Edizione)

Wright, R. (1976). Understanding statistics: An informal introduction for ... HBJ.

Citazione stile Chigago Style (17a edizione)

Wright, R.L.D. Understanding Statistics: An Informal Introduction for ... New York: HBJ, 1976.

Citatione MLA (9a ed.)

Wright, R.L.D. Understanding Statistics: An Informal Introduction for ... HBJ, 1976.