Gene R Sellers & Stephen A Vardeman. (1977). Elementary statistics (2.). Philadelphia.
Citación estilo ChicagoGene R Sellers and Stephen A Vardeman. Elementary Statistics. 2. Philadelphia, 1977.
Cita MLAGene R Sellers and Stephen A Vardeman. Elementary Statistics. 2. Philadelphia, 1977.
Warning: These citations may not always be 100% accurate.