Stephens, L. J. (1998). Schaum's outline of theory and problems of beginning statistics. New York: McGraw-Hill.
Παραπομπή Chicago StyleStephens, Larry J. Schaum's Outline of Theory and Problems of Beginning Statistics. New York: McGraw-Hill, 1998.
Παραπομπή MLAStephens, Larry J. Schaum's Outline of Theory and Problems of Beginning Statistics. New York: McGraw-Hill, 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.