Hadari Nawawi, author
Gadjah Mada University Press, 2006
Buku Teks
Veithza Rivai, author
Rajawali, 2009
Buku Teks
Veithzal Rivai Zainal, author
Rajawali, 2011
Buku Teks
Wilson Bangun, author
Erlangga, 2012
Buku Teks
Siagian, Sondang P., author
Bumi Aksara, 2008
Buku Teks