There are several sites where you can find examples of theses for reference. Here are a few:
1. ProQuest: This is one of the world's largest repositories of dissertations and theses. You can search for theses by topic, author, or institution.
2. OpenThesis: This is a free repository of theses, dissertations, and other academic documents. It has a large collection of open access theses from around the world.
3. Networked Digital Library of Theses and Dissertations (NDLTD): This is an international organization dedicated to promoting the adoption, creation, use, dissemination, and preservation of electronic theses and dissertations.
4. WorldCat Dissertations and Theses: This is a database of dissertations and theses from around the world. You can search for theses by topic, author, or institution.
5. Google Scholar: This is a search engine that indexes scholarly literature, including theses and dissertations. You can search for theses by topic or author, and many of the results will have links to full-text versions of the theses.
I hope these resources help you find the examples you need for your thesis reference.