Vigna, P., & Casey, M. J. (2015). The age of cryptocurrency: How bitcoin and digital money are challenging the global economic order (Firs edition.). St. Martin's Press.
Chicago-viite (17. p.)Vigna, Paul, ja Michael J. Casey. The Age of Cryptocurrency: How Bitcoin and Digital Money Are Challenging the Global Economic Order. Firs edition. New York: St. Martin's Press, 2015.
MLA-viite (8. p.)Vigna, Paul, ja Michael J. Casey. The Age of Cryptocurrency: How Bitcoin and Digital Money Are Challenging the Global Economic Order. Firs edition. St. Martin's Press, 2015.
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