Wu, Bin, author
People's Music Publishing House, 2009
Buku Teks
Sianipar, Tarida S., author
2005
UI - Skripsi (Membership)
Kerman, Joseph
Worth Publishers, 1996
Buku Teks
Omar Khalifa, author
Fakultas Psikologi Universitas Indonesia, 2008
UI - Skripsi (Open)
Boyden, David D., author
Alfred A. Knopf , 1956
Buku Teks