1. Action Bar - Adding Navigation Tabs. http://developer.android.com/guide/topics/ui/actionbar.html#Tabs. Accessed: 2015-01-15. Action Bar - Adding Navigation Tabs. http://developer.android.com/guide/topics/ui/actionbar.html#Tabs. Accessed: 2015-01-15.
2. Navigation Drawer. https://developer.android.com/design/patterns/navigation-drawer.html. Accessed: 2015-01-15. Navigation Drawer. https://developer.android.com/design/patterns/navigation-drawer.html. Accessed: 2015-01-15.
3. Zoetrope
4. The web changes everything
5. Mining idioms from source code