Cita APA (7th ed.)

GIBSON, W., & W.M. GIBSON. (1969). Basic electricity. Middlesex,Penguin.

Cita Chicago (17th ed.)

GIBSON, W.M, i W.M. GIBSON. Basic Electricity. Harmondsworthy: Middlesex,Penguin, 1969.

Cita MLA (9th ed.)

GIBSON, W.M, i W.M. GIBSON. Basic Electricity. Middlesex,Penguin, 1969.