Brinton, Crane, 1898-1968
Prentice-Hall, 1963
Buku Teks SO
Brinton, Crane, 1898-1968
Prentice-Hall, 1957
Buku Teks
Inkeles, Alex
Harvard University Press, 1974
Buku Teks
Conrad, Peter
Thames and Hudson, 1998
Buku Referensi
Laura Bear.
John Wiley & Sons, 2014
Buku Teks