Coelho, P. (1994). By the river piedra I sat down and wept. Harper Collins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoelho, Paulo. By the River Piedra I Sat Down and Wept. London: Harper Collins, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCoelho, Paulo. By the River Piedra I Sat Down and Wept. Harper Collins, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.