Παραπομπή APA

Gries, D., & Schneider, f. B. (1993). Logical approach to discrete math. Springer-Verlag.

Παραπομπή Chicago Style

Gries, David, και fred B. Schneider. Logical Approach to Discrete Math. New york: Springer-Verlag, 1993.

Παραπομπή MLA

Gries, David, και fred B. Schneider. Logical Approach to Discrete Math. Springer-Verlag, 1993.