It will quite often be useful and easy to copy images, graphs, tables or graphics that you obtained online into your assignments.
Be aware that copying an entire source is generally a breach of copyright, and while there may be exemptions that allow you to use sources this way as part of your study, it could be illegal to do so in your workplace.
Generally your safest option is to search for images or graphs that are clear about whether the author has given permission for you to reuse their work. The short video Copyright: Creative Commons and Attribution explains how to search for images that creators are willing to share, and explains the Creative Commons licencing system.
The graph in our example below came from a website called GRID-Arendal, a research centre set up by the United Nations Environmental Program (UNEP). This site specifically stated that "GRID-Arendal photos, videos, graphics and reference material are free for attributed use. Please link the source to our site, credit the author, year and GRID-Arendal."
To create an end-text reference in the Harvard style for an online image, we need to follow the following formatting pattern:
The Harvard end-text reference for this image will be:
The in-text reference will generally be in the form of a caption below or to the side of your image. Your image caption and in-text reference would look like this: