Rujukan matematik

• Ahlfors, Lars (1979), Complex analysis (edisi ke-3), McGraw-Hill, ISBN 978-0-07-000657-7 
• Conway, John B. (1986), Functions of One Complex Variable I, Springer, ISBN 0-387-90328-3 
• Joshi, Kapil D. (1989), Foundations of Discrete Mathematics, New York: John Wiley & Sons, ISBN 978-0-470-21152-6 
• Pedoe, Dan (1988), Geometry: A comprehensive course, Dover, ISBN 0-486-65812-0 
• Press, WH; Teukolsky, SA; Vetterling, WT; Flannery, BP (2007), "Section 5.5 Complex Arithmetic", Numerical Recipes: The Art of Scientific Computing (edisi ke-3), New York: Cambridge University Press, ISBN 978-0-521-88068-8 
• Solomentsev, E.D. (2001), "Complex number", dalam Hazewinkel, Michiel, Encyclopedia of Mathematics, Springer, ISBN 978-1-55608-010-4 

Rujukan sejarah

• Burton, David M. (1995), The History of Mathematics (edisi ke-3), New York: McGraw-Hill, ISBN 978-0-07-009465-9 
• Katz, Victor J. (2004), A History of Mathematics, Brief Version, Addison-Wesley, ISBN 978-0-321-16193-2 
• Nahin, Paul J. (1998), An Imaginary Tale: The Story of − 1 {\displaystyle \scriptstyle {\sqrt {-1}}} (edisi hardcover), Princeton University Press, ISBN 0-691-02795-1 A gentle introduction to the history of complex numbers and the beginnings of complex analysis.
• H.-D. Ebbinghaus ... (1991), Numbers (edisi hardcover), Springer, ISBN 0-387-97497-0 An advanced perspective on the historical development of the concept of number.