APA-referens (7:e uppl.)

Helman, P. (1994). The science of database management. IRWIN.

Chicago-referens (17:e uppl.)

Helman, Paul. The Science of Database Management. Illinois: IRWIN, 1994.

MLA-referens (9:e uppl.)

Helman, Paul. The Science of Database Management. IRWIN, 1994.