APA aipamena

Hill, R. (2008). The roar of the butterfies. London: HarperCollins.

Chicago Style aipamena

Hill, Reginald. The Roar of the Butterfies. London: HarperCollins, 2008.

MLA aipamena

Hill, Reginald. The Roar of the Butterfies. London: HarperCollins, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.