As you work, you should frequently seek the wisdom of your supervisor, communicate with the Extended Essay coordinator, and--as always--ask questions. Because you are producing a significant body of research, you are expected to follow MLA Research Paper standards. Visit Research 101 to find many additional tips and insights.
*"Effective first submission for assessment May 2021, extended essays submitted in studies in language and literature (Language A registrations) must not be based on a text which has been studied as part of this course. Students may, however, base their essays on different texts by the same author. Please note that this rule applies to all students without exception."