Spiegel, M. R. (2009). Schaum's outline of complex variables (2nd ed.). Schaum ; Tata McGraw-Hill.

Spiegel, Murray R. Schaum's Outline of Complex Variables. 2nd ed. New York : London: Schaum ; Tata McGraw-Hill, 2009.

Spiegel, Murray R. Schaum's Outline of Complex Variables. 2nd ed. Schaum ; Tata McGraw-Hill, 2009.