Παραπομπή APA

Beck, A., & Beck, A. B. (2003). Excursions into mathematics (The millennium ed.). Universities press.

Παραπομπή Chicago Style

Beck, Anatole, και Anatole; Bleicher Beck. Excursions into Mathematics. The millennium ed. Hyderabad: Universities press, 2003.

Παραπομπή MLA

Beck, Anatole, και Anatole; Bleicher Beck. Excursions into Mathematics. The millennium ed. Universities press, 2003.