Cita APA (7th ed.)

Byrkit, D. R. (1987). Statistics today: A comprehensive introduction. Benjamin / Cummings Pub. Co.

Cita Chicago (17th ed.)

Byrkit, Donald R. Statistics Today: A Comprehensive Introduction. Menlo Park, Calif: Benjamin / Cummings Pub. Co, 1987.

Cita MLA (9th ed.)

Byrkit, Donald R. Statistics Today: A Comprehensive Introduction. Benjamin / Cummings Pub. Co, 1987.