Question: What are five discourse types in writing?
Answer: Description, narration, exposition, persuasion, and poetry. J Harned. 1985. 415.
Comment: In my experience, narration is found in both exposition and persuasion, and I applied instruction in narrative to exposition and persuasion accordingly. RayS.
Title: “Annotated Bibliography of Research in the Teaching of English.” RK Durst and JD Marshall. Research in the Teaching of English, (December 1985), 405-424.