توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Butters, J. K. (1951). Effects of taxation: Corporate mergers. Division of Research, Graduate School of Business Administration, Harvard University.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Butters, J. Keith. Effects of Taxation: Corporate Mergers. Boston: Division of Research, Graduate School of Business Administration, Harvard University, 1951.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Butters, J. Keith. Effects of Taxation: Corporate Mergers. Division of Research, Graduate School of Business Administration, Harvard University, 1951.