(2004). Pinball machine. [s.n.].
Chicago Style aipamenaPinball Machine. [Singapore: [s.n.], 2004.
MLA aipamenaPinball Machine. [s.n.], 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(2004). Pinball machine. [s.n.].
Chicago Style aipamenaPinball Machine. [Singapore: [s.n.], 2004.
MLA aipamenaPinball Machine. [s.n.], 2004.