Cita APA

Lejk, M. (1998). An introduction to systems analysis techniques. London: Prentice-Hall.

Chicago Style Citation

Lejk, Mark. An Introduction to Systems Analysis Techniques. London: Prentice-Hall, 1998.

Cita MLA

Lejk, Mark. An Introduction to Systems Analysis Techniques. London: Prentice-Hall, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.