Cita APA (7a ed.)

Wiitala, S. A. (1987). Discrete mathematics: A unified approach. McGraw-Hill.

Cita Chicago Style (17a ed.)

Wiitala, Stephen A. Discrete Mathematics: A Unified Approach. New York: McGraw-Hill, 1987.

Cita MLA (8a ed.)

Wiitala, Stephen A. Discrete Mathematics: A Unified Approach. McGraw-Hill, 1987.