E. Witte, и J. Davis. Lawrence Erlbaum Associates, Mahwah, N.J, (1996)edited by Erich H. Witte, James H. Davis. ill 24 cm. Based on papers
presented at a conference held at the University of Hamburg, Nov.
1992. $5GBV Includes bibliographical references and indexes. $5GBV.
D. Forsyth. Brooks/Cole, Pacific Grove, Calif., 2. издание, (1990)Donelson R. Forsyth. graph. Darst ; 24 cm. Fräüher u.d.T.: An introduction
to group dynamics.