Cita APA (7a ed.)
Biggs, N. L. (2002). Discrete mathematics (2nd ed.). OUP.
Cita Chicago Style (17a ed.)
Biggs, Norman L. Discrete Mathematics. 2nd ed. New Delhi: OUP, 2002.
Cita MLA (9a ed.)
Biggs, Norman L. Discrete Mathematics. 2nd ed. OUP, 2002.
Precaución: Estas citas no son 100% exactas.