edited by Edgar T. Thompson, Robert E. Park
Duke University Press, 1939
Buku Teks
Banton Michael
Tavistock Publications, 1969
Buku Teks
Mason, Philip
Oxford University Press, 1970
Buku Teks
Wade, Peter
Pluto Press, 2002
Buku Teks
Rex, John
Oxford University Press, 1979
Buku Teks