Andrew James p. (2006). Payback: Reaping the Rewards of Innovation. Harvard Bus. School Press.
Chicago Style aipamenaAndrew James p. Payback: Reaping the Rewards of Innovation. Boston: Harvard Bus. School Press, 2006.
MLA aipamenaAndrew James p. Payback: Reaping the Rewards of Innovation. Harvard Bus. School Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.