توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Johnson, A. (1931). Public policy and private charities: A study of legislation in the United States and of administration in Illinois. The University of Chicago Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Johnson, Arlien. Public Policy and Private Charities: A Study of Legislation in the United States and of Administration in Illinois. Chicago, Ill: The University of Chicago Press, 1931.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Johnson, Arlien. Public Policy and Private Charities: A Study of Legislation in the United States and of Administration in Illinois. The University of Chicago Press, 1931.