Usinger, R. L. (1963). Aquatic insects of California: With keys to North American genera and California species. University of California Press.
Citace podle Chicago (17th ed.)Usinger, Robert L. Aquatic Insects of California: With Keys to North American Genera and California Species. Berkeley: University of California Press, 1963.
Citace podle MLA (9th ed.)Usinger, Robert L. Aquatic Insects of California: With Keys to North American Genera and California Species. University of California Press, 1963.
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