O''Hanlon, R. (1990). In trouble again: Journey between orinoco and the amazon (First Vintage departure edition.). AUWSF.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO''Hanlon, Redmond. In Trouble Again: Journey Between Orinoco and the Amazon. First Vintage departure edition. New York: AUWSF, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रO''Hanlon, Redmond. In Trouble Again: Journey Between Orinoco and the Amazon. First Vintage departure edition. AUWSF, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.