DATE, C. (1997). AN INTRODUCTION TO DATABASE SYSTEMS 7TH ED. NAROSA.
Lua i Stíl Chicago (17ú heag.)DATE, C.J. AN INTRODUCTION TO DATABASE SYSTEMS 7TH ED. NEW DELHI: NAROSA, 1997.
Lua MLA (9ú heag.)DATE, C.J. AN INTRODUCTION TO DATABASE SYSTEMS 7TH ED. NAROSA, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.