Roumasset, J. A. (1971). Lexicographic safety first. Institute of Economic Development and Research, School of Economics, University of the Philippines.
Chicago Style (17. basım) AtıfRoumasset, James A. Lexicographic Safety First. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1971.
MLA (9th ed.) AtıfRoumasset, James A. Lexicographic Safety First. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1971.
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