Pictures need to be referenced, too, in TOK exhibition document. 

Your own pictures

If you have taken the picture by yourself, for example a picture of a Sacher cake you have baked, just mark the copyright to yourself. Mark copyright, the year when the picture was taken and your name like this: Copyright 2025 Firstname Surname. Mark this under the picture. No need to have a reference in the reference list. 

Pictures from a source

If you use a picture from a source, you have to take into consideration the following:
- Do you know the person who has taken and made the picture?
- Do you know when the picture was taken or when it was done?
- Do you know the title or the name of the picture?
- Do you know the format of the picture? Is it a photograph, a painting or a table for example?
- Do you know where the picture is located? This includes physical and virtual places. 

Here is an example of fully detailed reference of a picture: Surname, I. (2025). 'Exact name of the picture' [Photograph]. Gallery of Photographs, Jyväskylä. Retrieved from http://...