Cita APA

 Gibson, J. E. (2007).  How to do systems analysis.  Wiley-Interscience.

Chicago Style Citation

 Gibson, John E.  How to Do Systems Analysis.  Wiley-Interscience, 2007.

Cita MLA

 Gibson, John E.  How to Do Systems Analysis.  Wiley-Interscience, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.