Knopp, K. (1952). Elements of the theory of functions. Dover.
Chicago-čujuhus (17. p.)Knopp, Konrad. Elements of the Theory of Functions. Nueva York: Dover, 1952.
MLA-čujuhus (9. p.)Knopp, Konrad. Elements of the Theory of Functions. Dover, 1952.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.