All these are just a few examples where a reference document is usually used. That said, reference documents follow different styles depending on their use.

Study software design for National 4 Computing Science. Read worked examples of reference language structure and syntax.

Major League Baseball removed references to “diversity” from its MLB Careers home page following an executive order by President Donald Trump that could lead to possible federal action against ...

Study software design for National 5 Computing Science. Read worked examples of Reference Language structure and syntax.