Portnoy, M., & Goodman, S. (2020). Global Initiatives to Secure Cyberspace. Springer US.
Chicago Style aipamenaPortnoy, Michael, và Seymour Goodman. Global Initiatives to Secure Cyberspace. Springer US, 2020.
MLA aipamenaPortnoy, Michael, và Seymour Goodman. Global Initiatives to Secure Cyberspace. Springer US, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.