Παραπομπή APA

Tagg, G. F. (1974). Electrical indicating instruments. Butterworths.

Παραπομπή Chicago Style

Tagg, G F. Electrical Indicating Instruments. London: Butterworths, 1974.

Παραπομπή MLA

Tagg, G F. Electrical Indicating Instruments. Butterworths, 1974.