West, D. B. (2021). Combinatorial mathematics (NA.). Cambridge University Press.
Chicago-čujuhus (17. p.)West, Douglas Brent. Combinatorial Mathematics. NA. New York: Cambridge University Press, 2021.
MLA-čujuhus (9. p.)West, Douglas Brent. Combinatorial Mathematics. NA. Cambridge University Press, 2021.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.