Campbell, H. (1970). Prisoners of poverty: Women wage-workers, their trades and their lives. Greenwood Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell, Helen. Prisoners of Poverty: Women Wage-workers, Their Trades and Their Lives. Westport, Conn.: Greenwood Press, 1970.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCampbell, Helen. Prisoners of Poverty: Women Wage-workers, Their Trades and Their Lives. Greenwood Press, 1970.
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