Citazione Stile APA (7a Edizione)

Spurr William A. (1961). Workbook in business and economics statistics. Richard D. Irwin, inc..

Citazione stile Chigago Style (17a edizione)

Spurr William A. Workbook in Business and Economics Statistics. Illinois: Richard D. Irwin, inc., 1961.

Citatione MLA (9a ed.)

Spurr William A. Workbook in Business and Economics Statistics. Richard D. Irwin, inc., 1961.