Kyte, Thomas, author
Apress, 2001
Buku Teks
Novrita Andriani, author
Fakultas Ilmu Komputer Universitas Indonesia, 1995
UI - Skripsi (Membership)
Codd, E.F., author
Addison-Wesley, 1990
Buku Teks
Rishe, Naphtali, author
McGraw-Hill, 1992
Buku Teks
Hadi Kusalamwardi, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1985
UI - Skripsi (Membership)