Cita APA

Không rõ. (2007). Databases, Types, and the Relational Model. NOTNXB.

Chicago Style Citation

Không rõ. Databases, Types, and the Relational Model. NOTNXB, 2007.

Cita MLA

Không rõ. Databases, Types, and the Relational Model. NOTNXB, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.