Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

Worcester, 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.

Citatione MLA (9a ed.)

Worcester, 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.