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