[DirectX 8.1 C/C++ Programmer's Reference] Strategy Genres (83.3333333333333%)
DirectX 8.1 (C++) > DirectInput > DirectInput C/C++ Reference > Action Mapping Constants
[DirectX 8.1 Visual Basic Programmer's Reference] Strategy Genres (81.6176470588235%)
DirectX 8.1 (Visual Basic) > DirectInput > DirectInput Visual Basic Reference > Action Mapping Constants