Beijing Wai Yan She (Foreign Language Teaching and Research Press) 2002
Buku Referensi
Beijing Beijing Yuyan Wenhua Daxue Chubanshe 2002
Buku Teks
Harahap, P.R.
Jakarta Praninta Aksara [date of publication not identified],
Buku Teks
Wichman, Karl, author
Philadelphia, David McKay Company, 1944
Buku Referensi
Mansion, J.E., author
London Harrap 1972-1980
Buku Referensi