Wilson, R. J. (1990). Graphs: An Introductory Approach. John Wiley & Sons.
Chicago-čujuhus (17. p.)Wilson, R. J. Graphs: An Introductory Approach. London: John Wiley & Sons, 1990.
MLA-čujuhus (9. p.)Wilson, R. J. Graphs: An Introductory Approach. John Wiley & Sons, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.