Romein, J.E., author
Ganaco, 1960
Buku Referensi
Rachmat Bratamidjaja, Sutjipto, advisory editors; Ensiklopedi Indonesia
Ichtiar Baru Van Hoeve, 1990
Buku Referensi
Chalid Latif, author
Pembina Peraga, 1992
Buku Referensi
C. S. Hammond and Company
C.S. Hammond & Co., [date of publication not identified]
Buku Teks
C.S. Hammond , 1961
Buku Referensi