In the conclusion, you should state your basic findings and what research questions might be of interest to other investigators. Address the shortcomings you see in your study. Start a fresh page with the title References. Here, you list articles, books and journals you have used for your study. The format is at the end of your book under bibliography.
Academic sources are preferred.
If you have brochures, newspaper clippings or material that does not naturally fit in the paper, place them in an Appendix. Each appendix is labeled A,B,C and so on. Place a title under the appendix heading. I will be happy to help you with any questions. Just make an appointment with me.