APA aipamena

Russell, B. The scientific outlook. London: George Allen & Unwin Ltd.

Chicago Style aipamena

Russell, Bertrand. The Scientific Outlook. London: George Allen & Unwin Ltd.

MLA aipamena

Russell, Bertrand. The Scientific Outlook. London: George Allen & Unwin Ltd.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.