Sherif, Muzafer, author
John Wiley & Sons, 1962
Buku Teks
edited by Jay W. Lorsch and Paul R. Lawrence
Richard D. Irwin, 1972
Buku Teks
Kidder, Louise H.
McGraw-Hill, 1975
Buku Teks
Brewer, Marilynn B., 1942-, author
Open University Press, 2003
Buku Teks
Sidanius, Jim, author
Cambridge Uiversity Press, 1999
Buku Teks