Case, A., Lubotsky, D., & Paxson, C. (2001). Economic status and health in childhood: The origins of the gradient. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Case, Anne, Darren Lubotsky, e Christina Paxson. Economic Status and Health in Childhood: The Origins of the Gradient. Cambridge: National Bureau of Economic Research, 2001.
Citatione MLA (9a ed.)Case, Anne, et al. Economic Status and Health in Childhood: The Origins of the Gradient. National Bureau of Economic Research, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.