APA aipamena

British Sulphur Corporation, ltd. Sulphur. British Sulphur Corporation, ltd.

Chicago Style aipamena

British Sulphur Corporation, ltd. Sulphur. London: British Sulphur Corporation, ltd.

MLA aipamena

British Sulphur Corporation, ltd. Sulphur. British Sulphur Corporation, ltd.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.