Churchill, R. V., & Brown, J. W. (1990). Complex Variables (5th ed.). Pragati Book Centre.
Cita Chicago (17th ed.)Churchill, R. V., i J. W. Brown. Complex Variables. 5th ed. New York: Pragati Book Centre, 1990.
Cita MLA (9th ed.)Churchill, R. V., i J. W. Brown. Complex Variables. 5th ed. Pragati Book Centre, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.