This is a very very very short post. It is really a simple trick that I regularly forget every time I’m writing in LaTeX: how to insert a pdf file.
Well, first of all you have to use the right package: pdfpages.
Then, to include the pdf file, you have to write in your tex source:
specifying the number of the pages you want to include as option, leave blank to insert the whole document.
That’s all. GWH!