Gaya APA

Wonnacott, T, H. (1977). Introductory statistics for business and economics, 2nd ed. (2). Canada: John Wiley and Sons.

Gaya MLA

Wonnacott, Thomas, H.. "Introductory statistics for business and economics, 2nd ed.". 2 Canada: John Wiley and Sons, 1977. Text.