APA-referens (7:e uppl.)

DATE, C. (2006). AN INTRODUCTION TO DATABASE SYSTEMS 7TH ED. PEARSON.

Chicago-referens (17:e uppl.)

DATE, C.J. AN INTRODUCTION TO DATABASE SYSTEMS 7TH ED. NEW DELHI: PEARSON, 2006.

MLA-referens (9:e uppl.)

DATE, C.J. AN INTRODUCTION TO DATABASE SYSTEMS 7TH ED. PEARSON, 2006.