Eileen Rachman, author
Gramedia Pustaka Utama, 2004
Buku Teks
Kiyosaki, Robert T., 1947-, author
Gramedia, 2005
Buku Teks
Ki Saradumipa, author
Babah Si Dyan Ho, 1902
Buku Klasik
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi (Membership)
Kim, Hye-yon, author
Piryongso, 2009
Buku Teks