Harvard Business Review Press. (2019). Blockchain. Harvard Business Review Press.
Chicago Style aipamenaHarvard Business Review Press. Blockchain. Boston, Massachesutts: Harvard Business Review Press, 2019.
MLA aipamenaHarvard Business Review Press. Blockchain. Harvard Business Review Press, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.