Ritvo, H. (1987). The animal estate: The English and other creatures in the Victorian age. Harvard Univ. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRitvo, Harriet. The Animal Estate: The English and Other Creatures in the Victorian Age. Cambridge, Mass.: Harvard Univ. Press, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRitvo, Harriet. The Animal Estate: The English and Other Creatures in the Victorian Age. Harvard Univ. Press, 1987.
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