1. Patterns of hypertext
2. The Theory-Generating Expert Interview: Epistemological Interest, Forms of Knowledge, Interaction
3. John Bryant. 2002. The Fluid Text: A Theory of Revision and Editing for Book and Screen. University of Michigan Press, Michigan, USA. Google-Books-ID: 1w4wpOdPbu4C.
4. In the event of a variable text
5. Chris Crawford. 2020. Fundamentals of Interactivity | Interactive Storytelling Tools for Writers | Chris Crawford. Retrieved March 15, 2024 from http://www.erasmatazz.com/library/the-journal-of-computer/jcgd-volume-7/fundamentals-of-interactivi.html