Milton Friedman, Ingation, Causes and Consequences, N. Y. 1963.
2.
—, Essays in Positive Economics, Chicago1953.
3.
R.L. Heilbroner , "Do Machines Make History? ", Technology and Culture, Vol. 8, No. 3, July 1967.
4.
John Neville Keynes, Scope and Method of Political Economy, London1890.
5.
Tjalling Koopmans, Three Essays on the State of Economic Science, New York1957.
6.
Thomas S. Kuhn, The Structure of Scientific Revolutions, Chicago1962.
7.
Paolo Leon, Structural Change and Growth in Capitalism, Baltimore1967.
8.
Adolph Lowe, On Economic Knowledge, New York1965 .
9.
—, "Towards a Science of Political Economics" and "Economic Means and Social Ends: A Rejoinder" in R. L. Heilbroner, (ed.) Economic Means and Social Ends, Englewood Cliffs1969.
10.
Fritz Machlup , "Operational Concepts and Mental Constructs in Model and Theory Formation," Giornale degli Economisti e Annali di Economia, Sept-Oct. 1960.
11.
Ernest Nagel, The Structure of Science, New York1961 .
12.
Lionel Robbins , An Essay on the Nature and Significance of Economic Science, London1935 .