Mathematical Micro/Macro Economics Textbook Recommendation
You should also try Advanced Microeconomic Theory (3rd Edition) by (Jehle, Reny, 2011).
Note that, imho, Mas-colell-Whinston-Green (1995!) is the best choice for those with initial background in Math switching to Economics. When it comes to Economics majors the former seems to be more appropriate (and more modern).
For modern Macro with strong math see Introduction to Modern Economic Growth (Acemoglu, 2009).
To integrate the micro/macro problems with econometrics and math see Economic Modeling and Inference (Christensen &amp; Kiefer, 2009). Hope, that helps.