Παραπομπή APA

Freud, G. (1971). Orthogonal polynomials. Pergamon Press.

Παραπομπή Chicago Style

Freud, Geza. Orthogonal Polynomials. Oxford: Pergamon Press, 1971.

Παραπομπή MLA

Freud, Geza. Orthogonal Polynomials. Pergamon Press, 1971.