Gaya APA

Wonnacott, R, J., Wonnacott, T, H. (1977). Introductory statistics for business and economics (2nd.ed.). New York: John Wiley & Sons.

Gaya MLA

Wonnacott, Ronald, J.., Wonnacott, Thomas, H.. "Introductory statistics for business and economics". 2nd.ed. New York: John Wiley & Sons, 1977. Text.