All you have to do is restate your topic sentence but in a different way and make your point more clear.
Brainstorming. Researching. Many different techniques :)
The word you are looking for is Bibliography. Remember that a bibliography is <span> a list of sources, usually appearing at the end of a research paper, an article, a book, or a chapter in a book. The list documents sources used in the work and points out sources that might be useful for further research. every single entry helps the reader to know more about an especific information and for them to read the whole reference</span>
I believe more of a mysterious tone but im not for sure
