Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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