As a guide the essay should contain approximately 15 academic references, e.g. journal article, book or chapter in a book and be fully referenced throughout.
Information of footnoting and essay writing can be found in the Student Handbook. Whatever reference style you use it is important to make sure you reference throughout your work, include a bibliography and are consistent. Poor referencing is penalised more heavily in your third year.
It is imperative that you collect and read your feedback from your first piece of coursework. This will help flag issues you may have with understanding the subject matter, structuring your work, and your ability to build an argument.
Also theoretical Framework needs to be used, such as liberalist (Kant, Doyel) and realists (Carr, Waltz) theories