Spiegel, M. R. (1990). Schaum's outline of theory and problems of statistics (2nd ed.). McGraw-Hill Publishing Compan,y.
Citazione stile Chigago Style (17a edizione)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics. 2nd ed. New York: McGraw-Hill Publishing Compan,y, 1990.
Citatione MLA (9a ed.)Spiegel, Murray R. Schaum's Outline of Theory and Problems of Statistics. 2nd ed. McGraw-Hill Publishing Compan,y, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.