APA-ийн эшлэл(7 дахь хэвлэлт)

Duckworth, A. M. (1971). The Improvement of the Estate: A Study of Jane Austen's Novels. Johns Hopkins Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Duckworth, Alistair M. The Improvement of the Estate: A Study of Jane Austen's Novels. Baltimore: Johns Hopkins Press, 1971.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Duckworth, Alistair M. The Improvement of the Estate: A Study of Jane Austen's Novels. Johns Hopkins Press, 1971.