Berman Saul J. (2011). Not For Free: Revenue Strategies for a new world. Harvard Business Review Press.
Style de citation Chicago (17e éd.)Berman Saul J. Not For Free: Revenue Strategies for a New World. Boston: Harvard Business Review Press, 2011.
Style de citation MLA (9e éd.)Berman Saul J. Not For Free: Revenue Strategies for a New World. Harvard Business Review Press, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.