How to acknowledge sources

There are 2 main types of sources....primary and secondary.
Primary sources are documents and images you have created yourself; even if you copy and paste web information into a document it makes it a primary source, as its somethig that you have created.
A secondary source is basically any information you come across on the internet; webpages, images, links, reviews ect ect. This is all information that other people have created and therefore you are copying it from them.
A standard way of working includes ensuring you always keep saving your data (ctrl s) and backing it up onto a USB everytime you have finished altering a document.