APA-referens

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

Chicago-stil citat

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

MLA-referens

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