APA aipamena

World atlas: The software toolworks, 1990-1992. [CD-ROM].

Chicago Style aipamena

World Atlas: The Software Toolworks, 1990-1992. [CD-ROM].

MLA aipamena

World Atlas: The Software Toolworks, 1990-1992. [CD-ROM].

Kontuz: berrikusi erreferentzia hauek erabili aurretik.