Παραπομπή APA

Birss, R. R. (1967). Electric and magnetic forces. Longmans.

Παραπομπή Chicago Style

Birss, Robert R. Electric and Magnetic Forces. London: Longmans, 1967.

Παραπομπή MLA

Birss, Robert R. Electric and Magnetic Forces. Longmans, 1967.