Cita APA (7th ed.)

Groebner, D. F., & Shannon, P. W. (1989). Business statistics: A decision - making approach (4th ed.). Macmillan.

Cita Chicago (17th ed.)

Groebner, David F., i Patrick W. Shannon. Business Statistics: A Decision - Making Approach. 4th ed. New York: Macmillan, 1989.

Cita MLA (9th ed.)

Groebner, David F., i Patrick W. Shannon. Business Statistics: A Decision - Making Approach. 4th ed. Macmillan, 1989.