Παραπομπή σε μορφή APA (7η εκδ.)

Gilb, T., & Brodie, L. (2005). Competitive engineering: A handbook for systems engineering, requirements engineering, and software engineering using Planguage. Butterworth-Heinemann.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gilb, Tom, και Lindsey Brodie. Competitive Engineering: A Handbook for Systems Engineering, Requirements Engineering, and Software Engineering Using Planguage. Oxford Burlington, MA: Butterworth-Heinemann, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gilb, Tom, και Lindsey Brodie. Competitive Engineering: A Handbook for Systems Engineering, Requirements Engineering, and Software Engineering Using Planguage. Butterworth-Heinemann, 2005.