Cita APA (7a ed.)

Siegel, A. F. (2003). Practical business statistics (4thed.). Mc Graw - Hill.

Cita Chicago Style (17a ed.)

Siegel, Andrew F. Practical Business Statistics. 4thed. Boston: Mc Graw - Hill, 2003.

Cita MLA (9a ed.)

Siegel, Andrew F. Practical Business Statistics. 4thed. Mc Graw - Hill, 2003.