Harahap, Arifin S., author
Gramedia, 2006
Buku Teks
Ashadi Siregar ... [and others]
Kanisius , 1998
Buku Teks
Barus, Sedia Willing, author
Erlangga, 2010
Buku Teks
Barus, Sedia Willing, author
Mini Jaya Abadi, 1996
Buku Teks
Hasan Asyari Oramahi, author
Erlangga, 2012
Buku Teks