Thomas, J. C., & Cooper, F. (1998). I have heard of a land. HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThomas, Joyce Carol, और Floyd Cooper. I Have Heard of a Land. [New York]: HarperCollins Publishers, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThomas, Joyce Carol, और Floyd Cooper. I Have Heard of a Land. HarperCollins Publishers, 1998.
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