Harvard Business Review Press. (2019). Blockchain. Harvard Business Review Press.
Cita Chicago (17th ed.)Harvard Business Review Press. Blockchain. Boston, Massachesutts: Harvard Business Review Press, 2019.
Cita MLA (9th ed.)Harvard Business Review Press. Blockchain. Harvard Business Review Press, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.