Branson, R. (2006). Screw It, Let's Do It. Virgin Books.
Chicago Style aipamenaBranson, Richard. Screw It, Let's Do It. London: Virgin Books, 2006.
MLA aipamenaBranson, Richard. Screw It, Let's Do It. Virgin Books, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.