Richards, O. W. D. (1977). IMMS general textbook of Entomology, Vol.1: Structure, physiology and development (10.).
Chicago-stil citatRichards, O W; Davies. IMMS General Textbook of Entomology, Vol.1: Structure, Physiology and Development. 10. Chapman & Hall Ltd., London, 1977.
MLA-referensRichards, O W; Davies. IMMS General Textbook of Entomology, Vol.1: Structure, Physiology and Development. 10. 1977.
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