ANDERSON, R. L. & BANCROFT, T. A. (1952). Statistical theory in research. New York: McGraw-Hill . Pp. 141-144.
2.
CAMPBELL, DONALD, T. (1956). Leadership and its effects upon the group. Columbus: Ohio: Bureau of Business Research .
3.
COOPER, ROBERT (1966). Leader's task relevance and subordinate behaviour in industrial work groups . Human. Relat.19, 57-84 .
4.
FLEISHMAN, EDWIN A. (1951). Leadership climate and supervisory behavior. Columbus, Ohio: Personnel Research Board, Ohio State University .
5.
FLEISHMAN, EDWIN A. (1957). A leader behavior description for industry. In Stogdill, Ralph M. & Coons, A. E. (Eds.) (1957), Leader behavior: its description and measurement. Columbus, Ohio: Bureau of Business Research, Ohio State University .
6.
FLEISHMAN, EDWIN A. & HARRIS, EDWIN F. (1962a). Patterns of leadership behavior related to employee turnover and grievances . Personnel Psychol. 15, 43-56 .
7.
FLEISHMAN, EDWIN A. & PETERS, DAVID R. (1962b). Interpersonal values, leadership attitudes and managerial success . Personnel Psychol. 15, 127-143 .
8.
HEMPHILL, JOHN K. & COONS, A. E. (1957). Development of the leader behavior description questionnaire. In Stogdill & Coons, op. cit.
9.
LIKERT, RENSIS (1961). New patterns for management. New York: McGraw Hill .
10.
SYKES, A. J. M. (1965). Some differences in the attitudes of clerical and manual workers . The Sociol. Rev.13, 297-310 .