Tjan, Tjoe Som, author
University of Leiden, 1951
Buku Teks
Polo, Marco, author
Munshiram Manoharlal , 1993
Buku Teks
by Henry Yule and Henri Cordier
Munshiram Manoharlal , 1993
Buku Teks
Ennos, A.R.
Longman Scientific & Technical , 1995
Buku Teks
Goichon, A. M., author
Desclee , 1938
Buku Referensi