Dyfyniad APA

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

Dyfyniad Arddull Chicago

Wonnacott, Thomas H., and Ronad T. Wonnacott. Introductory Statistics for Business and Economics. 2nd ed. New York, 1977.

Dyfyniad MLA

Wonnacott, Thomas H., and Ronad T. Wonnacott. Introductory Statistics for Business and Economics. 2nd ed. New York, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.