Hubbard, George U.
Computer-assisted data base design
Van Nostrand Reinhold, 1981
 Buku Referensi
Tsichritzis, Dionysios C.
Data base management systems
Academic Press, 1977
 Buku Teks SO
Cardenas, Alfonso F.
Data base management systems
Allyn and Bacon, 1979
 Buku Teks SO
Date, C.J.
Data base management
North Holland, 1975
 Buku Teks SO
Martin, James
Principles of data-base management
Prentice-Hall, 1976
 Buku Teks SO