general editor, David W. Pearce
Macmillan Reference Books, 1989
Buku Referensi
general editor, David W. Pearce
Macmillan Press, 1992
Buku Referensi
King, Victor T., author
RoutledgeCurzon, 2003
Buku Teks
Laqueur, Walter
The Free Press, 1973
Buku Teks
Elliot, Florence, author
Penguin Books, 1957
Buku Referensi