APA-referens (7:e uppl.)

DATE C J. (2009). INTRODUCTION TO DATABASE SYSTEMS 8TH ED (8TH ED.). PEARSON EDUCATION.

Chicago-referens (17:e uppl.)

DATE C J. INTRODUCTION TO DATABASE SYSTEMS 8TH ED. 8TH ED. NEW DELHI: PEARSON EDUCATION, 2009.

MLA-referens (9:e uppl.)

DATE C J. INTRODUCTION TO DATABASE SYSTEMS 8TH ED. 8TH ED. PEARSON EDUCATION, 2009.