Coelho, P., & Clarke, A. R. (1996). By the river Piedra I sat down and wept. HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoelho, Paulo, और Allan R. Clarke. By the River Piedra I Sat Down and Wept. North Blackburn, Vic. : India: HarperCollins Publishers, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoelho, Paulo, और Allan R. Clarke. By the River Piedra I Sat Down and Wept. HarperCollins Publishers, 1996.
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