APA (7 वां संस्करण) प्रशस्ति पत्र
Wolff, E. N. (2011). The transformation of the American pension system: Was it beneficial for workers? W.E. Upjohn Institute for Employment Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Wolff, Edward N. The Transformation of the American Pension System: Was It Beneficial for Workers? Kalamazoo, Mich.: W.E. Upjohn Institute for Employment Research, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Wolff, Edward N. The Transformation of the American Pension System: Was It Beneficial for Workers? W.E. Upjohn Institute for Employment Research, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.