Gaya APA
Tennick, A.
(2010).
Practical Powerpivot And Dax Formulas For Excel 2010
.
USA:
McGraw-Hill.
Gaya MLA
Tennick, Art.
"Practical Powerpivot And Dax Formulas For Excel 2010".
USA:
McGraw-Hill,
2010.
Text.