APA (7e ed.) Bronvermelding
Wolff, E. N. (2011). The transformation of the American pension system: Was it beneficial for workers? W.E. Upjohn Institute for Employment Research.
Chicago (17e ed.) Bronvermelding
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.
MLA (9e ed.) Bronvermelding
Wolff, Edward N. The Transformation of the American Pension System: Was It Beneficial for Workers? W.E. Upjohn Institute for Employment Research, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.