O''Hanlon, R. (1990). In trouble again: Journey between orinoco and the amazon (First Vintage departure edition.). AUWSF.
Chicago-viite (17. p.)O''Hanlon, Redmond. In Trouble Again: Journey Between Orinoco and the Amazon. First Vintage departure edition. New York: AUWSF, 1990.
MLA-viite (9. p.)O''Hanlon, Redmond. In Trouble Again: Journey Between Orinoco and the Amazon. First Vintage departure edition. AUWSF, 1990.
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