Tracy, Brian, author
Elex Media Komputindo, 2006
Buku Teks
Bach, David, author
Gramedia Pustaka Utama, 2004
Buku Teks
Andersen, Carl E., author
Dow Jones-Irwin, 1986
Buku Teks
Kiyosaki, Robert T., 1947-, author
Gramedia, 2005
Buku Teks
Jossi Chaerunisa, author
Fakultas Hukum Universitas Indonesia, 2018
UI - Skripsi Membership