Busson, Bernard
Putnam, 1956
Buku Teks
edited by Samuel Rapport and Helen Wright
New American Library, 1962
Buku Teks
Monroe, James Stewart, 1938-, author
Wadsworth, 1997
Buku Teks
Bames, Charles W., author
John Wiley & Sons, 1980
Buku Teks
Energlyn, Lord
McGraw-Hill, 1973
Buku Teks