Watts, J. J., & Robertson, N. N. (2011). Burnout in university teaching staff: a systematic literature review. Educational Research, 53(1), 33-50. doi:10.1080/00131881.2011.552235
A sample review from CUNY. This example shows the process of writing a lit review including how to develop the articles and write an introduction.
Several sample papers from UWF.
Sample paper with literature review from Purdue Owl.
Many examples of lit reviews for various subject fields.