APA

Mendenhall W., . (1980). Understanding statistics. Boston: Duxbury press.

Chicago

Mendenhall William, . 1980. Understanding statistics. Boston: Duxbury press.

Harvard

Mendenhall W., . (1980). Understanding statistics. Boston: Duxbury press.

MLA

Mendenhall William, . Understanding statistics. Boston: Duxbury press. 1980.