Παραπομπή APA

Howatson, A. M. (1974). Principles of heavy current engineering. Chapman & Hall.

Παραπομπή Chicago Style

Howatson, A M. Principles of Heavy Current Engineering. London: Chapman & Hall, 1974.

Παραπομπή MLA

Howatson, A M. Principles of Heavy Current Engineering. Chapman & Hall, 1974.