Não informado. (2020). Pests and Their Control. National Pest Control Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Pests and Their Control. Cleveland, Ohio: National Pest Control Association, 2020.
Lua MLA (8ú heag.)Não informado. Pests and Their Control. National Pest Control Association, 2020.
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