Παραπομπή APA

Kreyszig, E. (1978). Introductory functional analysis with applications.

Παραπομπή Chicago Style

Kreyszig, Erwin. Introductory Functional Analysis with Applications. John Wiley & Sons, New York, 1978.

Παραπομπή MLA

Kreyszig, Erwin. Introductory Functional Analysis with Applications. 1978.