Παραπομπή APA

Wardle, H. (1972). Fundamentals of electrotechnology. Hutchinson.

Παραπομπή Chicago Style

Wardle, H. Fundamentals of Electrotechnology. London: Hutchinson, 1972.

Παραπομπή MLA

Wardle, H. Fundamentals of Electrotechnology. Hutchinson, 1972.