Gaya APA

Berman, Saul Jay. (2011). Not for Free : Revenue Strategies for a New World . Boston: Harvard Business Review Press.

Gaya Chicago

Berman, Saul Jay. Not for Free : Revenue Strategies for a New World. Boston: Harvard Business Review Press, 2011. Text.

Gaya MLA

Berman, Saul Jay. Not for Free : Revenue Strategies for a New World. Boston: Harvard Business Review Press, 2011. Text.

Gaya Turabian

Berman, Saul Jay. Not for Free : Revenue Strategies for a New World. Boston: Harvard Business Review Press, 2011. Print.