APA Citatie

Gilb, T., & Brodie, L. (2005). Competitive engineering: A hand book for systems engineering, requirements engineering and software engineering using planguage. Butterworth Heinemann.

Chicago Style citaat

Gilb, Tom, en Lindsey Brodie. Competitive Engineering: A Hand Book for Systems Engineering, Requirements Engineering and Software Engineering Using Planguage. Oxford: Butterworth Heinemann, 2005.

MLA citatie

Gilb, Tom, en Lindsey Brodie. Competitive Engineering: A Hand Book for Systems Engineering, Requirements Engineering and Software Engineering Using Planguage. Butterworth Heinemann, 2005.