Muhammad Fathi, author
Syaamil, 2006
Buku Teks
Kotter, John P., 1947-, author
Gramedia Pustaka Utama, 1997
Buku Teks
Balai Pustaka, 1979
Buku Teks
Rudatan, Rs
Yogyakarta : Andi, 2006
Buku Teks
Hendra Surya, author
Elex Media Komputindo, 2009
Buku Teks