Transformations: Scaling
- Wikipedia: Transformation Matrix - Scaling
- Wikipedia: Scaling (Geometry)
- Fundamentals of Computer Graphics, Chapter: Transformations
- Interactive Computer Graphics: A Top-Down Approach with WebGL, Section: Geometric Transformations
- OpenGL Programming Guide: Transformations
- Geometric Transformations in 3D Computer Graphics (Tutorial)
- Transformation Matrices (Scratchapixel 2.0)