Tambunan, A.S.S., author
Super Express, 2003
Buku Teks
Legge, John D., author
Equinox, 2010
Buku Teks
Klinken, Gerry van, author
KITLV Press, 2003
Buku Teks
Dhont, Frank, author
Gadjah Mada University Press, 2005
Buku Teks
Gouda, Frances, author
Serambi, 2008
Buku Teks