توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Groves, H. M. (1948). Trouble spots in taxation: Essays in the philosophy of taxation and other public finance problems. Princeton University Press for the University of Cincinnati.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Groves, Harold M. Trouble Spots in Taxation: Essays in the Philosophy of Taxation and Other Public Finance Problems. Princeton, New Jersey: Princeton University Press for the University of Cincinnati, 1948.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Groves, Harold M. Trouble Spots in Taxation: Essays in the Philosophy of Taxation and Other Public Finance Problems. Princeton University Press for the University of Cincinnati, 1948.