http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nxb. Đại học Sư phạm Thành phố Hồ Chí Minh
Cuộc đời và sự nghiệp của nhà soạn nhạc Beethoven
Phùng Minh Hiền, Dương Minh Khôi (sưu tầm - biên dịch- giới thiệu)