When you take information from another source, it needs to be acknowledged by including the author date in the text of your writing and then including the full reference for the document you are citing/quoting in your reference list.
Try this online tutorial:
Quotation Conventions
Find out when to quote, what to quote and how to quote!
Plagiarism is when you use other people’s words or ideas without acknowledging them. It’s very important in academic writing that you do acknowledge other people’s ideas whether it is just a sentence, a set of ideas or paragraphs of information.
Try this interactive tutorial:
You Quote it, you Note it
Taking only 10 minutes (max) this tutorial presents a range of activities for you to do but it will help you work out what is and isn’t plagiarism.