Dignen, Bob
English grammar = Tata bahasa Inggris / Bob Dignen
York Associates, 1999
 Buku Teks SO
Dignen, Bob
English grammar = Tata bahasa Inggris / Bob Dignen
York Associates, 1999
 Buku Teks SO
Diamond english-english Hindi dictionary
Diamond, 2001
 Buku Referensi
Agrawal, Giriraj Sharan
Diamond Hindi-English dictionary
Diamond pocket books, 2001
 Buku Referensi
Chesterman, Andrew
On definiteness: a study with special reference to English and Finnish
Cambridge University Press, 1991
 Buku Teks SO