Παραπομπή σε μορφή APA (7η εκδ.)

Kristiansen, G. K. (1991). A method for solution of extremal problems for entire functions, in particular polynomials. Polyteknisk Forlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kristiansen, Gundorph K. A Method for Solution of Extremal Problems for Entire Functions, in Particular Polynomials. Lyngby: Polyteknisk Forlag, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kristiansen, Gundorph K. A Method for Solution of Extremal Problems for Entire Functions, in Particular Polynomials. Polyteknisk Forlag, 1991.