Silver, A. D. (2007). Smart start-ups: How entrepreneurs and corporations can profit by starting online communities. John Wiley & Sons.
Chicago Style aipamenaSilver, A. David. Smart Start-ups: How Entrepreneurs and Corporations Can Profit by Starting Online Communities. Hoboken, N.J: John Wiley & Sons, 2007.
MLA aipamenaSilver, A. David. Smart Start-ups: How Entrepreneurs and Corporations Can Profit by Starting Online Communities. John Wiley & Sons, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.