J.Berman Saul. (2011). Not for Free: Revenue Strategies for a New World. American: Harvard Business Review Book.
Chicago Style citaatJ.Berman Saul. Not for Free: Revenue Strategies for a New World. American: Harvard Business Review Book, 2011.
MLA citatieJ.Berman Saul. Not for Free: Revenue Strategies for a New World. American: Harvard Business Review Book, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.