Adler, F.1956 " The value concept in sociology ", American journal of sociology62: 272-279.
2.
Blake, J.; Davis, K.1964 " Norms, values and sanctions ", p. 461, in: Faris, R.E.L. (ed.). Handbook of modern sociology. Chicago, Rand McNally.
3.
Catton, W.R.1959 " A theory of value ", American sociological review21: 310-317.
4.
Jayasuriya, D.L.1960A study of adolescent ambition, level of aspiration and achievement motivation. London, University of London. (Unpublished Ph. D thesis.)
5.
Kahl, J.A.1965 " Some measurements of achievement orientation ", American journal of sociology70: 669-681.
6.
Kluckhohn, F.; Strodtbeck, F.L.1961Variations in value orientationsEvanston, Ill., Row Peterson.
7.
Miller, G.A.; Galanter, E.; Pribram, H.K.1960Plans and the structure of behaviour. New York, Holt, Rinehart and Winston, p. 11, 16, 63, 178.
8.
Morris, C.W.1956Varieties of human valueChicago, Ill. , University of Chicago Press.
9.
Parsons, T.1951The social system. London, Routledge and Kegan Paul, p. 12.
10.
Rosen, B.C.1956 " The achievement syndrome: A psychocultural dimension of social stratification ", American sociological review21: 203-211.
11.
Scott, W.A.1959 " Empirical assessment of values and ideologies ", American sociological review24: 299-310.
12.
Strauss, M.A.1962 " Deferred gratification, social class and the achievement syndrome ", American sociological review27: 326-335.
13.
Sugarman, B.1966 " Social class and values as related to achievement and conduct in school ", Sociological review14: 287-301.