Não informado. (1888). Insect life. Department of Agriculture, Division of Entomology.
Citace podle Chicago (17th ed.)Não informado. Insect Life. Washington: Department of Agriculture, Division of Entomology, 1888.
Citace podle MLA (8th ed.)Não informado. Insect Life. Department of Agriculture, Division of Entomology, 1888.
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