Smith, J. R. (2022). Difficult: Mothering challenging adult children through conflict and change. Rowman & Littlefield.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmith, Judith R. Difficult: Mothering Challenging Adult Children Through Conflict and Change. Lanham: Rowman & Littlefield, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmith, Judith R. Difficult: Mothering Challenging Adult Children Through Conflict and Change. Rowman & Littlefield, 2022.
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