Gaya APA

Otto, A, D. (1993). Discrete mathematics / John A. Dossey [et.al] (Ed.ke-2). Hinsdale, Il.: Harper Collins.

Gaya MLA

Otto, Albert, D.. "Discrete mathematics / John A. Dossey [et.al]". Ed.ke-2 Hinsdale, Il.: Harper Collins, 1993. Textbook.