Παραπομπή APA

Sonnenberg, G. J. (1978). Radar and electronic navigation (5th ed.). Newnes-Butterworths.

Παραπομπή Chicago Style

Sonnenberg, G J. Radar and Electronic Navigation. 5th ed. London: Newnes-Butterworths, 1978.

Παραπομπή MLA

Sonnenberg, G J. Radar and Electronic Navigation. 5th ed. Newnes-Butterworths, 1978.