Cita APA (7a ed.)

Astels, D. (2003). Test-driven development: A practical guide. Pearson education.

Cita Chicago Style (17a ed.)

Astels, David. Test-driven Development: A Practical Guide. New Jersey: Pearson education, 2003.

Cita MLA (9a ed.)

Astels, David. Test-driven Development: A Practical Guide. Pearson education, 2003.