Ulrich, L. T. (1991). A midwife's tale: The life of martha ballard, based on her diary, 1785-1812. Vintage Books.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ulrich, Laurel Thatcher. A Midwife's Tale: The Life of Martha Ballard, Based on Her Diary, 1785-1812. New York: Vintage Books, 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ulrich, Laurel Thatcher. A Midwife's Tale: The Life of Martha Ballard, Based on Her Diary, 1785-1812. Vintage Books, 1991.
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