APA-čujuhus (7. p.)
O'Brien, D., & Putens, N. (2014). Wild idea: Buffalo and family in a difficult land. University of Nebraska Press.
Chicago-čujuhus (17. p.)
O'Brien, Dan, juo N. Putens. Wild Idea: Buffalo and Family in a Difficult Land. Lincoln, [Nebraska] ; London, [England]: University of Nebraska Press, 2014.
MLA-čujuhus (9. p.)
O'Brien, Dan, juo N. Putens. Wild Idea: Buffalo and Family in a Difficult Land. University of Nebraska Press, 2014.
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