Cita APA (7th ed.)

HELLERSTERSTEIN JOSEPH M. (2005). READINGS IN DATABASE SYSTEMS 4TH ED (4TH ED.). MIT PRESS.

Cita Chicago (17th ed.)

HELLERSTERSTEIN JOSEPH M. READINGS IN DATABASE SYSTEMS 4TH ED. 4TH ED. CAMBRIDGE: MIT PRESS, 2005.

Cita MLA (9th ed.)

HELLERSTERSTEIN JOSEPH M. READINGS IN DATABASE SYSTEMS 4TH ED. 4TH ED. MIT PRESS, 2005.