Campbell, H., Knox, T. W., & Byrnes, T. (1892). Darkness and daylight; or, Lights and shadows of New York life: A woman's story of gospel, temperance, mission, and rescue work. A.D. Worthington & Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell, Helen, Thomas Wallace Knox, और Thomas Byrnes. Darkness and Daylight; or, Lights and Shadows of New York Life: A Woman's Story of Gospel, Temperance, Mission, and Rescue Work. Hartford, Conn.: A.D. Worthington & Co., 1892.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCampbell, Helen, et al. Darkness and Daylight; or, Lights and Shadows of New York Life: A Woman's Story of Gospel, Temperance, Mission, and Rescue Work. A.D. Worthington & Co., 1892.
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