Angel, A. R., & Porter, S. R. (1997). A survey of mathematics with applications (5th ed.). Addison Wesley Longman.
Cita Chicago (17th ed.)Angel, Allen R., i Stuart R. Porter. A Survey of Mathematics with Applications. 5th ed. Reading, Mass: Addison Wesley Longman, 1997.
Cita MLA (9th ed.)Angel, Allen R., i Stuart R. Porter. A Survey of Mathematics with Applications. 5th ed. Addison Wesley Longman, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.