توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Donohue, J. J. I., Heckman, J. J., & Todd, P. E. (1998). Social action, private choice, and philanthrophy: Understanding the sources of improvements in black schooling in Georgia, 1911-1960. National Bureau of Economic Research.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Donohue, John J. III, James J. Heckman, و Petra E. Todd. Social Action, Private Choice, and Philanthrophy: Understanding the Sources of Improvements in Black Schooling in Georgia, 1911-1960. Cambride: National Bureau of Economic Research, 1998.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Donohue, John J. III, et al. Social Action, Private Choice, and Philanthrophy: Understanding the Sources of Improvements in Black Schooling in Georgia, 1911-1960. National Bureau of Economic Research, 1998.