Sellers, G. R. (1977). Elementary Statistics/ Gene R. Sellers. Saunders.
Cita Chicago (17th ed.)Sellers, Gene R. Elementary Statistics/ Gene R. Sellers. Philadelphia: Saunders, 1977.
Cita MLA (9th ed.)Sellers, Gene R. Elementary Statistics/ Gene R. Sellers. Saunders, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.