APA aipamena

Bertrand Russell. (2004). In praise of idleness. Routledge.

Chicago Style aipamena

Bertrand Russell. In Praise of Idleness. London: Routledge, 2004.

MLA aipamena

Bertrand Russell. In Praise of Idleness. Routledge, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.