APA aipamena

Schryen, G. (2020). Anti-Spam Measures. Springer Berlin Heidelberg.

Chicago Style aipamena

Schryen, Guido. Anti-Spam Measures. Springer Berlin Heidelberg, 2020.

MLA aipamena

Schryen, Guido. Anti-Spam Measures. Springer Berlin Heidelberg, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.