Tellington-Jones, Linda
Trafalgar Square, 2006
Buku Teks
Bigelow, Robert P.
Upper Saddle River, NJ: Prentice Hall, 1975,
Buku Referensi
Lexis Nexis, 2009
Buku Teks
Assis, Machado de
Avon books, 1982
Koleksi Publik
Jeong, Kyong Choo
Bhuana Sastra, 2022
Buku Teks