Morris, M. D. (1979). Measuring the conditions of the world's poor. The physical quality of life index. Pergamon.
Chicago Style (17th ed.) CitationMorris, Morris David. Measuring the Conditions of the World's Poor. The Physical Quality of Life Index. New York, N.Y.: Pergamon, 1979.
MLA (9th ed.) CitationMorris, Morris David. Measuring the Conditions of the World's Poor. The Physical Quality of Life Index. Pergamon, 1979.