The ultimate guide to your literature review is your instructor. We've provided some examples, but your instructor ultimately governs what is required for their assignment.
Literature Review
A literature review is a type of academic writing that provides an account of what has already been published by researchers and other experts in a given field. It can stand alone or serve as an introduction to a lab report or other type of research. A literature review surveys relevant past literature and connects, synthesizes, and evaluates these works.