APA-čujuhus (7. p.)
Biggs, N. L. (2002). Discrete mathematics (2nd ed.). OUP.
Chicago-čujuhus (17. p.)
Biggs, Norman L. Discrete Mathematics. 2nd ed. New Delhi: OUP, 2002.
MLA-čujuhus (9. p.)
Biggs, Norman L. Discrete Mathematics. 2nd ed. OUP, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.