Cita APA (7th ed.)

Sellers,Gene R. (1977). Elementary statistics. W.B. Saunders Co..

Cita Chicago (17th ed.)

Sellers,Gene R. Elementary Statistics. Philadelphia: W.B. Saunders Co., 1977.

Cita MLA (9th ed.)

Sellers,Gene R. Elementary Statistics. W.B. Saunders Co., 1977.