Harahap, Zairin, author
RajaGrafindo Persada, 2005
Buku Teks
Harahap, Zairin, author
RajaGrafindo Persada, 2002
Buku Teks
Rochmat Soemitro, author
Refika Aditama, 1998
Buku Teks
Marbun, S.F., author
Liberty, 1988
Buku Teks
Rochmat Soemitro, author
Eresco, 1990
Buku Teks