Ulrich, L. T. (1991). A midwife's tale: The life of martha ballard, based on her diary, 1785-1812. Vintage Books.
Chicago-referens (17:e uppl.)Ulrich, Laurel Thatcher. A Midwife's Tale: The Life of Martha Ballard, Based on Her Diary, 1785-1812. New York: Vintage Books, 1991.
MLA-referens (9:e uppl.)Ulrich, Laurel Thatcher. A Midwife's Tale: The Life of Martha Ballard, Based on Her Diary, 1785-1812. Vintage Books, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.