Knopp, K. (1947). Theory of functions (1. American ed.). Dover Publ.
Cita Chicago (17th ed.)Knopp, Konrad. Theory of Functions. 1. American ed. New York, NY: Dover Publ, 1947.
Cita MLA (9th ed.)Knopp, Konrad. Theory of Functions. 1. American ed. Dover Publ, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.