Cita APA (7th ed.)

Biggs,Norman L. (2002). Discrete mathematics (2nd.). Oxford University.

Cita Chicago (17th ed.)

Biggs,Norman L. Discrete Mathematics. 2nd. UK: Oxford University, 2002.

Cita MLA (9th ed.)

Biggs,Norman L. Discrete Mathematics. 2nd. Oxford University, 2002.