Wolff, E. N. (2011). The transformation of the American pension system: Was it beneficial for workers? W.E. Upjohn Institute for Employment Research.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (9ª ed.)Wolff, Edward N. The Transformation of the American Pension System: Was It Beneficial for Workers? W.E. Upjohn Institute for Employment Research, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.