Cita APA (7th ed.)
Allen, C., Chatwin, S., & Creary, . C. (2004). Introduction to relational databases and SQL programming. McGraw Hill Technology Education.
Cita Chicago (17th ed.)
Allen, Christopher, Simon Chatwin, i Catherine Creary. Introduction to Relational Databases and SQL Programming. New York: McGraw Hill Technology Education, 2004.
Cita MLA (9th ed.)
Allen, Christopher, et al. Introduction to Relational Databases and SQL Programming. McGraw Hill Technology Education, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.