Gilb, T., & Brodie, L. (2005). Competitive engineering: A handbook for systems engineering, requirements engineering, and software engineering using planguage. Elsevier.
Chicago-Zitierstil (17. Ausg.)Gilb, Tom, und Lindsey Brodie. Competitive Engineering: A Handbook for Systems Engineering, Requirements Engineering, and Software Engineering Using Planguage. Amsterdam: Elsevier, 2005.
MLA-Zitierstil (9. Ausg.)Gilb, Tom, und Lindsey Brodie. Competitive Engineering: A Handbook for Systems Engineering, Requirements Engineering, and Software Engineering Using Planguage. Elsevier, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.