Bussmann, Hadumod
Routledge dictionary of language and linguistics
Routledge, 1996
 Buku Referensi
Longman dictionary of the English language
Longman, 1984
 Buku Referensi
Palmer, E.H.
A concise dictionary of the Persian language
Routledge & Kegan Paul, 1956
 Buku Referensi
Marsden, William
A dictionary and grammar of the Malayan language
Oxford University Press, 1984
 Buku Referensi
Boyle, John Andrew
A practical dictionary of the Persian language
Luzac & Company, 1949
 Buku Referensi