To add to the depth of the presentation, use the different options of PSD available over the A4 mock templates. With easy download options, these free resources when used wisely and added with the paper fold creases, augments the attraction. It is a perfect option while choosing to design for the stationery items.
Also check for Free PSD A4 Paper Mockups
With the correct choice of colours and textures, you can also use them for making the different posters and pamphlets. Combine these resources according to your need and make layers when you need to include too many information over a single page. The templates are easily editable.