Cita APA (7a ed.)

Bird, J. O., & May, A. J. C. (1981). Electrical and electronic principles 2: Checkbook. Butterworths.

Cita Chicago Style (17a ed.)

Bird, J. O., y A. J. C. May. Electrical and Electronic Principles 2: Checkbook. London ; Boston: Butterworths, 1981.

Cita MLA (8a ed.)

Bird, J. O., y A. J. C. May. Electrical and Electronic Principles 2: Checkbook. Butterworths, 1981.