Reference

Four types of essay: expository, persuasive, analytical, argumentative. Retrieved from url:

https://access-socialstudies.cappelendamm.no/c319365/artikkel/vis.html?tid=382115

Purdue Online Writing Lab. Retrieved from url: https://owl.purdue.edu/owl/purdue_owl.html

Useful Linking Words and Phrases For Essays. Retrieved from url:

            http://web.apu.ac.uk/stu_services/essex/learningsupport/OL-EssayWrting1.htm