Cita APA (7a ed.)

Lejk, M. (2002). An introduction to systems analysis techniques. Addison-Wesley.

Cita Chicago Style (17a ed.)

Lejk, Mark. An Introduction to Systems Analysis Techniques. Addison-Wesley, 2002.

Cita MLA (8a ed.)

Lejk, Mark. An Introduction to Systems Analysis Techniques. Addison-Wesley, 2002.

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