CARTWRIGHT, D. and A. ZANDER [eds.] (1953) Group Dynamics.New York: Harper & Row.
2.
Derbyshire, R.L. and B. Barrett (1971) "Small groups: a study of leadership style and its effect on communication among medical students."Comp. Group Studies2 (August).
3.
HARE, A. P., E. F. BORGATTA and R. F. BALES [eds.] (1955) Small Groups.New York: Alfred A. Knopf.
4.
Homans, C.G. (1950) The Human GroupNew York: Harcourt, Brace & World.
5.
Hopkins, T.K. (1964) The Exercise of Influence in Small GroupsNew Jersey: Bedminster.
6.
Mills, T.N. (1967) The Sociology of Small GroupsEnglewood Cliffs, NJ.: Prentice-Hall.
7.
Shepherd, C.R. (1964) Small GroupsSan Francisco: Chandler.