Livingston, C. (1993). Knot theory. Mathematical Association of America.
Chicago-čujuhus (17. p.)Livingston, Charles. Knot Theory. Washington, D.C.: Mathematical Association of America, 1993.
MLA-čujuhus (9. p.)Livingston, Charles. Knot Theory. Mathematical Association of America, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.