Yourdon, E. (1989). Modern structured analysis. Jemma.
Cita Chicago (17th ed.)Yourdon, Edward. Modern Structured Analysis. Cainta, Rizal: Jemma, 1989.
Cita MLA (9th ed.)Yourdon, Edward. Modern Structured Analysis. Jemma, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.