Wrong, Dennis H., author
Ikon Teralitera, 2003
Buku Teks
Soerjono Soekanto, author
Rajawali, 1985
Buku Teks
Bologh, Roslyn Wallach
Unwin Hyman, 1990
Buku Teks
Bendix, Reinhard, author
Anchor Books, 1962
Buku Teks
Ahmad Sadri
Oxford University Press, 1992
Buku Teks