Imhoof, M. (1975). From paragraph to essay: Developing composition writing. Longman.
Lua i Stíl Chicago (17ú heag.)Imhoof, Maurice. From Paragraph to Essay: Developing Composition Writing. Hong Kong: Longman, 1975.
Lua MLA (8ú heag.)Imhoof, Maurice. From Paragraph to Essay: Developing Composition Writing. Longman, 1975.
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