توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Bleakney, T. P. (1972). Retirement systems for public employees. Published for the Pension Research Council,Wharton School of the University of Pennsylvannia by Irwin.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Bleakney, Thomas P. Retirement Systems for Public Employees. Homewood, Ill: Published for the Pension Research Council,Wharton School of the University of Pennsylvannia by Irwin, 1972.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Bleakney, Thomas P. Retirement Systems for Public Employees. Published for the Pension Research Council,Wharton School of the University of Pennsylvannia by Irwin, 1972.