Gaya APA

Armstrong, B. (2023). "Catching up to crypto: your guide to bitcoin and the new digital economy| . Hoboken, New Jersey, AS: John Wiley & Sons, Inc..

Gaya MLA

Armstrong, Ben. ""Catching up to crypto: your guide to bitcoin and the new digital economy|". Hoboken, New Jersey, AS: John Wiley & Sons, Inc., 2023. book.