Bertini, M. Case study: Can one business unit have two revenue models? Harvard Business Review.
Cita Chicago (17th ed.)Bertini, Marco. "Case Study: Can One Business Unit Have Two Revenue Models?" Harvard Business Review .
Cita MLA (9th ed.)Bertini, Marco. "Case Study: Can One Business Unit Have Two Revenue Models?" Harvard Business Review, .
Atenció: Aquestes cites poden no estar 100% correctes.