Groebner, D. F., Shannon, P. . W., Fry,, P. . C., & Smith, K. D. (2002). A couse in business statistics (4th.ed.-.). Pearson Education.
Citazione stile Chigago Style (17a edizione)Groebner, David F., Patrick W. Shannon, Phillip C. Fry,, e Kent D. Smith. A Couse in Business Statistics. 4th.ed.-. New Jersey: Pearson Education, 2002.
Citatione MLA (9a ed.)Groebner, David F., et al. A Couse in Business Statistics. 4th.ed.-. Pearson Education, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.