Esperimenti [Experiments]

Bernard, Claude
[1865]  Introduction à l'étude de la médecine expérimentale, Garnier-Flammarion, Paris, 1966

Beveridge, W. I. B.
[1950]  The Art of Scientific Investigation, Random House Vintage Books, New York, 1957

Kaplan, Abraham
[1964]  The Conduct of Inquiry. Methodology for Behavioral Science, Chandler Publishing Company, Scranton, Pennsylvania [Chapter IV]

Madge, John
[1953]  The Tools of Social Science, Longmans, London, 1965

Mill, John Stuart
[1843]  A System of Logic, Longmans, Green, and Co., London, 1891

Poincaré, Henri
[1902]  La Science et l'Hypothèse, Flammarion, Paris, 1968

Van Dalen, Deobold B.
[1962]  Understanding Educational Research. An Introduction, Mc-Graw-Hill Book Co., New York, 1979  [Chapter 9]

Ziman, John
[1968]  Public Knowledge. An Essay Concerning the Social Dimension of Science, Cambridge University Press, Cambridge