Bernat Jody A. Siregar ... [and others]
Karya Mulya , 2007
Buku Teks
Guilfoyle, Merlin J.
Academy Library Guild, 1962
Buku Teks
M. Budi Sardjono
Visimedia, 2007
Buku Teks
Piet Manehat, author
Yanense Mitra Sejati , 1996
Buku Teks
MacDonald, James, author
Light Publishing, 2007
Buku Teks