Weiner, Tim, author
Gramedia Pustaka Utama, 2008
Buku Teks
Umar Ibrahim Vadillo, author
Pustaka Adina, 2016
Buku Teks
Undi Gunawan, author
[Publisher not identified], 2007
Artikel Jurnal
Denny J.A., author
Putra Berdikari Bangsa, 2000
Buku Teks
Denny J.A., author
Putra Berdikari Bangsa, 2000
Buku Teks