Tietueen sitaatit
APA-viiteCard, D. F., Card, D. E., Freeman, R. B., Freeman, R. B., & Richard B. Freeman. (1993). Small differences that matter: Labor markets and income maintenance in Canada and the United States. University of Chicago Press.
Chicago-tyylinen lähdeviittausCard, David; Freeman, David Edward Card, Richard B. Freeman, Richard Barry Freeman, ja Richard B. Freeman. Small Differences That Matter: Labor Markets and Income Maintenance in Canada and the United States. Chicago: University of Chicago Press, 1993.
MLA-viiteCard, David; Freeman, et al. Small Differences That Matter: Labor Markets and Income Maintenance in Canada and the United States. University of Chicago Press, 1993.
Harvard-tyylinen lähdeviittausCard, D. F., Card, D. E., Freeman, R. B., Freeman, R. B. & Richard B. Freeman. 1993. Small differences that matter: Labor markets and income maintenance in Canada and the United States. Chicago: University of Chicago Press.