Bremmelen, R.W. Van
Martinus Nijhoff, 1970
Buku Referensi
I.A. Suparman
Rajawali, 1990
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Rufael, Byar, author
Navila, 2006, 2006
Buku Teks
Skinner, Brian J., author
John Wiley & Sons, 1987
Buku Teks