Cita APA (7a ed.)

Lans, R. F. v. d., & Gray, A. (1989). The SQL standard: : a complete reference. Prentice-Hall International [etc.].

Cita Chicago Style (17a ed.)

Lans, Rick F. van der, y Andrea Gray. The SQL Standard: : A Complete Reference. Hemel Hempstead [etc.]: Prentice-Hall International [etc.], 1989.

Cita MLA (9a ed.)

Lans, Rick F. van der, y Andrea Gray. The SQL Standard: : A Complete Reference. Prentice-Hall International [etc.], 1989.