Robinson, A. (2002). Selling social change (without selling out): Earned income strategies for nonprofits. San Francisco, Calif: Jossey-Bass.
Chicago-tyylinen lähdeviittausRobinson, Andy. Selling Social Change (without Selling Out): Earned Income Strategies for Nonprofits. San Francisco, Calif: Jossey-Bass, 2002.
MLA-viiteRobinson, Andy. Selling Social Change (without Selling Out): Earned Income Strategies for Nonprofits. San Francisco, Calif: Jossey-Bass, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.