Citazione APA

Spiegel, M. R. (1992). Theory and problems of statistics (Ed.2.).

Stile di citazione Chicago

Spiegel, Murray R. Theory and Problems of Statistics. Ed.2. Londn, mc Graw Hill Book Company, 1992.

Citazione MLA

Spiegel, Murray R. Theory and Problems of Statistics. Ed.2. 1992.