Cita APA (7a ed.)

Ward, P. T., & Mellor, S. J. (1985). Structured development for real-time systems. Yourdon.

Cita Chicago Style (17a ed.)

Ward, Paul T., y Stephen J. Mellor. Structured Development for Real-time Systems. Englewood Cliffs, New Jersey: Yourdon, 1985.

Cita MLA (9a ed.)

Ward, Paul T., y Stephen J. Mellor. Structured Development for Real-time Systems. Yourdon, 1985.