Ferguson, Margaretha, author
Nijgh & van Ditmar, 1992
Buku Teks
Perpustakaan Nasional RI, 1999
Buku Referensi
Bowen, Elizabeth, 1899-1973, author
Penguin Books, 1928
Buku Teks
Ferguson, Margaretha, author
Leopold, 1977
Buku Teks
Brousson, H. C. C. Clockener
Jakarta : Masup, 2007
Buku Teks