APA-čujuhus (7. p.)
Pfennig, D. W., & Pfennig, K. S. (2012). Evolution's wedge: Competition and the origins of diversity. University of California Press.
Chicago-čujuhus (17. p.)
Pfennig, David W., juo Karin S. Pfennig. Evolution's Wedge: Competition and the Origins of Diversity. Berkeley: University of California Press, 2012.
MLA-čujuhus (9. p.)
Pfennig, David W., juo Karin S. Pfennig. Evolution's Wedge: Competition and the Origins of Diversity. University of California Press, 2012.
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