Παραπομπή APA

Shapiro, H. S. (1971). Topics in approximation theory. Springer-Verlag.

Παραπομπή Chicago Style

Shapiro, Harold S. Topics in Approximation Theory. Berlin: Springer-Verlag, 1971.

Παραπομπή MLA

Shapiro, Harold S. Topics in Approximation Theory. Springer-Verlag, 1971.