Cita APA (7a ed.)

(1993). Software requeriments: Objects, funtions, and states (s.e.). Prentice-Hall PTR.

Cita Chicago Style (17a ed.)

Software Requeriments: Objects, Funtions, and States. s.e. México: Prentice-Hall PTR, 1993.

Cita MLA (8a ed.)

Software Requeriments: Objects, Funtions, and States. s.e. Prentice-Hall PTR, 1993.