Worcester, D. A. (1969). The optimal employment level, the negative income tax and an alternative suggestion. Institute of Economic Development and Research, University of the Philippines.
Citação norma ChicagoWorcester, Dean Amory. The Optimal Employment Level, the Negative Income Tax and an Alternative Suggestion. [Quezon City]: Institute of Economic Development and Research, University of the Philippines, 1969.
Citação norma MLAWorcester, Dean Amory. The Optimal Employment Level, the Negative Income Tax and an Alternative Suggestion. Institute of Economic Development and Research, University of the Philippines, 1969.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.