توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Wuthnow, R. (1996). Poor Richard's principle: Recovering the American dream through the moral dimension of work, business, and money. Princeton University Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Wuthnow, Robert. Poor Richard's Principle: Recovering the American Dream Through the Moral Dimension of Work, Business, and Money. Princeton, N.J.: Princeton University Press, 1996.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Wuthnow, Robert. Poor Richard's Principle: Recovering the American Dream Through the Moral Dimension of Work, Business, and Money. Princeton University Press, 1996.