Crutchfield, L. R., & Grant, H. M. (2012). Forces for good: The six practices of high-impact nonprofits (Revised and updated.). Jossey-Bass.
Dyfyniad Arddull ChicagoCrutchfield, Leslie R., and Heather McLeod Grant. Forces for Good: The Six Practices of High-impact Nonprofits. Revised and updated. Hoboken, NJ: Jossey-Bass, 2012.
Dyfyniad MLACrutchfield, Leslie R., and Heather McLeod Grant. Forces for Good: The Six Practices of High-impact Nonprofits. Revised and updated. Jossey-Bass, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.