Ferris, G. F. (2023). The principles of systematic entomology. Stanford University Press, California.
Lua i Stíl Chicago (17ú heag.)Ferris, Gordon Floyd. The Principles of Systematic Entomology. Stanford University Press, California, 2023.
Lua MLA (9ú heag.)Ferris, Gordon Floyd. The Principles of Systematic Entomology. Stanford University Press, California, 2023.
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