APA-referens

Spiegel, M. R. (1956). Theory and problems of college algebra. Mc Graw - Hill.

Chicago-stil citat

Spiegel, Murray R. Theory and Problems of College Algebra. New york: Mc Graw - Hill, 1956.

MLA-referens

Spiegel, Murray R. Theory and Problems of College Algebra. Mc Graw - Hill, 1956.