Bach, David, author
Gramedia Pustaka Utama, 2004
Buku Teks
Kiyosaki, Robert T., 1947-, author
Gramedia Pustaka Utama, 2004
Buku Teks
Carruth, Andrew, author
Eska Media, 2009
Buku Teks
Hill, Napoleon, author
Ramala Books, 2007
Buku Teks
Tracy, Brian, author
Elex Media Komputindo, 2006
Buku Teks