Allen, C. (2004). Introduction to relational database and SQL programming. Illinois, USA: Mc GrawHill.
Trích dẫn kiểu ChicagoAllen, Christopher. Introduction to Relational Database and SQL Programming. Illinois, USA: Mc GrawHill, 2004.
MLA引文Allen, Christopher. Introduction to Relational Database and SQL Programming. Illinois, USA: Mc GrawHill, 2004.
警告:這些引文格式不一定是100%准確.