Gaya APA

BARTLE, R, G., Sherbert, D, R. (1992). Introduction to Real Analysis (2nd ed.). New York: John Wiley & Sons, Inc..

Gaya MLA

BARTLE, Robert, G.., Sherbert, Donald, R.. "Introduction to Real Analysis". 2nd ed. New York: John Wiley & Sons, Inc., 1992. Text.