Παραπομπή APA

Howatson, A. M. (1969). Principles of appled electricity. Chapman & Hall.

Παραπομπή Chicago Style

Howatson, A M. Principles of Appled Electricity. London: Chapman & Hall, 1969.

Παραπομπή MLA

Howatson, A M. Principles of Appled Electricity. Chapman & Hall, 1969.