C. S. Hammond and Company
C.S. Hammond & Co., [date of publication not identified]
Buku Teks
R.M. Soetardjo Soerjosoemarno
Pembimbing, 1962
Buku Teks
Wiegand, Patrick
Oxford University Press, 1994
Buku Teks
James E Davis, colsultan
Graphic Learning,, 1978
Buku Referensi
Macmillan, 1995
Buku Referensi