Spain, J. (2019). Beneath the surface (First North American edition.). Crooked Lane Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpain, Jo. Beneath the Surface. First North American edition. New York: Crooked Lane Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpain, Jo. Beneath the Surface. First North American edition. Crooked Lane Books, 2019.
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