Citazione Stile APA (7a Edizione)

DOWNIE, N. M. (1974). Basic statistical methods. Harper and Row.

Citazione stile Chigago Style (17a edizione)

DOWNIE, Norville Morgan. Basic Statistical Methods. New York: Harper and Row, 1974.

Citatione MLA (9a ed.)

DOWNIE, Norville Morgan. Basic Statistical Methods. Harper and Row, 1974.