Παραπομπή APA

Richard Johnsonbaugh. (2013). Discrete mathematics (6.). Pearson.

Παραπομπή Chicago Style

Richard Johnsonbaugh. Discrete Mathematics. 6. New Delhi: Pearson, 2013.

Παραπομπή MLA

Richard Johnsonbaugh. Discrete Mathematics. 6. Pearson, 2013.