Sheehan, R. M. (2010). Mission impact: Breakthrough strategies for nonprofits. Wiley.
Cita Chicago (17th ed.)Sheehan, Robert M. Mission Impact: Breakthrough Strategies for Nonprofits. Hoboken, NJ: Wiley, 2010.
Cita MLA (9th ed.)Sheehan, Robert M. Mission Impact: Breakthrough Strategies for Nonprofits. Wiley, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.