Aronson, Jerrold L., Rom Harré, and Eileen Cornell Way.1994. Realism rescued. London: Duckworth.
2.
Boland, Lawrence A.1982. The foundations of economic method. London: George Allen and Unwin.
3.
Hempel, C.G.1965. Aspects of scientific explanation. New York: Free Press.
4.
King, Gary, Robert O. Keohane, and Sidney Verba.1994. Designing social inquiry: Scientific inference in qualitative research. Princeton, NJ: Princeton University Press.
5.
Lipset, Seymour M., Martin Trow, and James S. Coleman.1956. Union democracy. Glencoe, IL: Free Press.
6.
Merton, Robert K.1957. Social theory and social structure. New York: Free Press.
7.
Michels, Robert.1949. Political parties. New York: Free Press.
8.
Murphy, G.L., and D. Medin.1985. The role of theories in conceptual coherence . Psychological Review92 (1): 289-316
9.
Nagel, Ernest.1961. The structure of science. New York : Free Press.
10.
Peirce, Charles Sanders.1931-1958. The Elements of Logic. Vol. 2 of 8, edited by Charles Hartshorne, Paul Weis, and Arthur W. Burks.Cambridge. MA: Harvard University Press. (Vol. 2).
11.
Popper, K.R.1959. The logic of scientific discovery. London: Hutchinson.
12.
Ravetz, J.R.1990. The merger of knowledge with power: Essays in critical science. London, New York: Mansell.
13.
Tversky, Amos.1977. Features of similarity. Psychological Review84 (4): 327-52.
14.
Weber, Max.1946. Essays in sociology, edited by H. Gerth and C. Wright Mills.New York: Oxford University Press.
