Cita APA (7a ed.)

Wonnacott H. Thomas & Wonnacott J Ronald. (1990). Statistics for business & economics (4th ed.). John Wiley and Sons.

Cita Chicago Style (17a ed.)

Wonnacott H. Thomas y Wonnacott J Ronald. Statistics for Business & Economics. 4th ed. Englewood Cliffs, N.J.: John Wiley and Sons, 1990.

Cita MLA (9a ed.)

Wonnacott H. Thomas y Wonnacott J Ronald. Statistics for Business & Economics. 4th ed. John Wiley and Sons, 1990.