APA-čujuhus (7. p.)
Gilb, T., & Brodie, L. (2005). Competitive engineering: A handbook for systems engineering, requirements engineering, and software engineering using Planguage. Butterworth-Heinemann.
Chicago-čujuhus (17. p.)
Gilb, Tom, juo Lindsey Brodie. Competitive Engineering: A Handbook for Systems Engineering, Requirements Engineering, and Software Engineering Using Planguage. Oxford ; Burlington, MA: Butterworth-Heinemann, 2005.
MLA-čujuhus (9. p.)
Gilb, Tom, juo Lindsey Brodie. Competitive Engineering: A Handbook for Systems Engineering, Requirements Engineering, and Software Engineering Using Planguage. Butterworth-Heinemann, 2005.
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