Cita APA

Martyn, T., & Hartley, T. (1989). DB2/SQL: A professional programmer's guide. McGraw-Hill.

Citación estilo Chicago

Martyn, Tim, and Tim Hartley. DB2/SQL: A Professional Programmer's Guide. New York: McGraw-Hill, 1989.

Cita MLA

Martyn, Tim, and Tim Hartley. DB2/SQL: A Professional Programmer's Guide. McGraw-Hill, 1989.