APA-viite

Protter,Murray H. (1991). A first course in real analysis/2nd ed (2nd ed.). Springer.

Chicago-tyylinen lähdeviittaus

Protter,Murray H. A First Course in Real Analysis/2nd Ed. 2nd ed. New York: Springer, 1991.

MLA-viite

Protter,Murray H. A First Course in Real Analysis/2nd Ed. 2nd ed. Springer, 1991.