Duckworth, A. M. (1971). The Improvement of the Estate: A Study of Jane Austen's Novels. Johns Hopkins Press.
Chicago-referens (17:e uppl.)Duckworth, Alistair M. The Improvement of the Estate: A Study of Jane Austen's Novels. Baltimore: Johns Hopkins Press, 1971.
MLA-referens (9:e uppl.)Duckworth, Alistair M. The Improvement of the Estate: A Study of Jane Austen's Novels. Johns Hopkins Press, 1971.
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