[DirectX 3 Programmer's Reference] Colors and Fog (21.139751552795%)
Direct3D > Direct3D Overview > Direct3D Architecture > Colors and Fog
[DirectX 5 Programmer's Reference] Colors and Fog (20.5414687614176%)
DirectX Foundation > Direct3D Immediate Mode > Direct3D Immediate-Mode Essentials > Colors and Fog
[DirectX 2 Programmer's Reference] Colors and Fog (16.2486298867373%)
Direct3D > Direct3D Overview > Direct3D Architecture