Powell, Hickman
Oxford Univertity Press, 1982
Buku Teks
Umavijani, Montri
Prachandra Press, 1980
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Referensi
Fitzgerald, F Scott
Random House, 1996
Buku Teks
May Swan
Ultimus, 2008
Buku Teks