Levitan, S. A., & Belous, R. S. (1979). More than subsistence: Minimum wages for the working poor. Johns Hopkins University Press.
Chicago-viite (17. p.)Levitan, Sar A., ja Richard S. Belous. More than Subsistence: Minimum Wages for the Working Poor. Baltimore: Johns Hopkins University Press, 1979.
MLA-viite (9. p.)Levitan, Sar A., ja Richard S. Belous. More than Subsistence: Minimum Wages for the Working Poor. Johns Hopkins University Press, 1979.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.