Ferris, G. F. (2023). The principles of systematic entomology. Stanford University Press, California.
Chicago-čujuhus (17. p.)Ferris, Gordon Floyd. The Principles of Systematic Entomology. Stanford University Press, California, 2023.
MLA-čujuhus (9. p.)Ferris, Gordon Floyd. The Principles of Systematic Entomology. Stanford University Press, California, 2023.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.