1. Adams Smith, D. 1984. Medical Discourse: Aspects of Author’s Comment. English for Special Purposes 3: 25–36.
2. APA (American Psychiatric Association). 2013. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Washington, DC: American Psychiatric Press.
3. ———. 1997. Introduction: Genre Analysis and World Englishes. World Englishes 16: 313–319.
4. ———. 1983. Some Issues in the Role of Schemata, or Background Knowledge, in Second Language Comprehension. Reading in a Foreign Language 1: 81–92.
5. Brumfit, C., ed. 1982. English for International Communication. Oxford: Pergamon.