Cita APA (7th ed.)

Birchall, D., & Tovstiga, G. (2002). Future proofing. Capstone].

Cita Chicago (17th ed.)

Birchall, David, i George Tovstiga. Future Proofing. [Oxford: Capstone], 2002.

Cita MLA (9th ed.)

Birchall, David, i George Tovstiga. Future Proofing. Capstone], 2002.