Cita APA

Berman, S. J. (2011). Not for free: Making money in the digital age. Boston, Mass: Harvard Business Review Press.

Chicago Style Citation

Berman, Saul Jay. Not for Free: Making Money in the Digital Age. Boston, Mass: Harvard Business Review Press, 2011.

Cita MLA

Berman, Saul Jay. Not for Free: Making Money in the Digital Age. Boston, Mass: Harvard Business Review Press, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.