Yamamura, S. (1992). Spiral vector theory of AC circuits and machines. Clarendon Press.
Cita Chicago (17th ed.)Yamamura, Sakae. Spiral Vector Theory of AC Circuits and Machines. Oxford: Clarendon Press, 1992.
Cita MLA (9th ed.)Yamamura, Sakae. Spiral Vector Theory of AC Circuits and Machines. Clarendon Press, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.