William Heinemann Ltd., 1934
Buku Teks
Giddens, Anthony, author
Harcourt, Brace Javanovich, 1982
Buku Teks
Roucek, Joseph S., author
Bina Aksara, 1984
Buku Teks
Barnes, Harry Elmer, author
The University of Chicago Press, 1948
Buku Teks
edited by Harry Elmer Barnes
The University of Chicago Press, 1958
Buku Teks