Cita APA

Case, D., & Milne, J. (1987). Developing writing skills in English. London: Heinemann Education Books.

Citación estilo Chicago

Case, Doug, y John Milne. Developing Writing Skills in English. London: Heinemann Education Books, 1987.

Cita MLA

Case, Doug, y John Milne. Developing Writing Skills in English. London: Heinemann Education Books, 1987.

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