- Direct quotations. This is when you use the exact words of another person.
- Paraphrases
- Summaries of another person’s ideas
- Tables, pictures, diagrams or images Ideas or information derived from another person
In summary, you must acknowledge anything that isn’t explicitly your own opinion. For example, it is acceptable to write a phrase such as ‘I think that this procedure could be improved because the pre-existing one does not consider certain factors such as…’ without having to reference, because this is your personal opinion and idea. However, you should note that supplying evidence such as studies that substantiate your point of view will strengthen your opinion and provide you with more credibility.