Cita APA (7th ed.)

Richards, L. E., & LaCava, J. J. (1983). Business statistics: Why and when (2a. ed.). McGraw Hill Book Company.

Cita Chicago (17th ed.)

Richards, Larry E., i Jerry J. LaCava. Business Statistics: Why and When. 2a. ed. Nueva York: McGraw Hill Book Company, 1983.

Cita MLA (9th ed.)

Richards, Larry E., i Jerry J. LaCava. Business Statistics: Why and When. 2a. ed. McGraw Hill Book Company, 1983.