Cita APA

Gene R Sellers & Stephen A Vardeman. (1977). Elementary statistics (2.). Philadelphia.

Chicago Edition Citation

Gene R Sellers i Stephen A Vardeman. Elementary Statistics. 2. Philadelphia, 1977.

Cita MLA

Gene R Sellers i Stephen A Vardeman. Elementary Statistics. 2. Philadelphia, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.