Παραπομπή APA

Hummel, R. E. (1985). Electronic properties of materials; An introduction for engineers--.--. Springer-Verlag.

Παραπομπή Chicago Style

Hummel, Rolf E. Electronic Properties of Materials; An Introduction for Engineers--.--. Berlin: Springer-Verlag, 1985.

Παραπομπή MLA

Hummel, Rolf E. Electronic Properties of Materials; An Introduction for Engineers--.--. Springer-Verlag, 1985.