Gaya APA

Churchill, R, V, 1., BROWN, J, W. (1990). Complex variables and applications (5th ed.). New York: McGraw-Hill.

Gaya MLA

Churchill, Ruel, Vance,, 1899-., BROWN, James, Ward. "Complex variables and applications". 5th ed. New York: McGraw-Hill, 1990. Buku.