Não informado. (2020). Pests and Their Control. National Pest Control Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Pests and Their Control. Cleveland, Ohio: National Pest Control Association, 2020.
MLA-Zitierstil (8. Ausg.)Não informado. Pests and Their Control. National Pest Control Association, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.