Cita APA

Không rõ. (2003). An Introduction to Database Systems. NOTNXB.

Chicago Style Citation

Không rõ. An Introduction to Database Systems. NOTNXB, 2003.

Cita MLA

Không rõ. An Introduction to Database Systems. NOTNXB, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.