Donselaar, J. van
Muiderberg : DickCovtinho, 1989
Buku Teks
Muller, F.
Groningen J.B. Wolters 1939
Buku Referensi
Wely, F Prick van, author
London, Cassell
Buku Referensi
Menge, Herman, author
Berlin Langenscheidt 1961
Buku Referensi
Janos, author
Budapest Franklin 1902
Buku Referensi