Richard Branson. (2009). Losing my Virginity the Autobiography. London.
Chicago Style aipamenaRichard Branson. Losing My Virginity the Autobiography. London, 2009.
MLA aipamenaRichard Branson. Losing My Virginity the Autobiography. London, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.