Snodgrass, R. (1935). Principles of Insect Morphology. McGraw Hill.
Chicago-čujuhus (17. p.)Snodgrass, R.E. Principles of Insect Morphology. New York: McGraw Hill, 1935.
MLA-čujuhus (9. p.)Snodgrass, R.E. Principles of Insect Morphology. McGraw Hill, 1935.
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