APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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