Koffman, E. B. (1985). Problem solving and structured programming in Pascal (2nd ed.). Addison-Wesley Pub.
Cita Chicago (17th ed.)Koffman, Elliot B. Problem Solving and Structured Programming in Pascal. 2nd ed. Reading, Mass: Addison-Wesley Pub, 1985.
Cita MLA (9th ed.)Koffman, Elliot B. Problem Solving and Structured Programming in Pascal. 2nd ed. Addison-Wesley Pub, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.