(19). Production logging. [s.n.] : [s.l.].
Chicago Style aipamenaProduction Logging. [s.n.] : [s.l.], 19.
MLA aipamenaProduction Logging. [s.n.] : [s.l.], 19.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena