Smith, B. C., & Clay, C. R. (2009). Microsoft SQL Server 2008 MDX step by step. Microsoft Press.

Smith, Bryan C., and C. Ryan Clay. Microsoft SQL Server 2008 MDX Step by Step. Redmond, Wash. : New Delhi : PHI Learning Pvt. Ltd.: Microsoft Press, 2009.

Smith, Bryan C., and C. Ryan Clay. Microsoft SQL Server 2008 MDX Step by Step. Microsoft Press, 2009.