APA aipamena

John Bunyan. (1999). The pilgrim's progress. Macmillan.

Chicago Style aipamena

John Bunyan. The Pilgrim's Progress. New Delhi: Macmillan, 1999.

MLA aipamena

John Bunyan. The Pilgrim's Progress. Macmillan, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.