ACM SIGPC Notes. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaACM SIGPC Notes. Cambridge University Press.
MLA (9th ed.) ZitazioaACM SIGPC Notes. Cambridge University Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
ACM SIGPC Notes. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaACM SIGPC Notes. Cambridge University Press.
MLA (9th ed.) ZitazioaACM SIGPC Notes. Cambridge University Press.