Não informado. (2020). Proceedings of the Scientific Section of the Toilet Goods Association. Toilet Goods Association.
Čikaški stil citiranja (17. izdanje)Não informado. Proceedings of the Scientific Section of the Toilet Goods Association. Washington: Toilet Goods Association, 2020.
MLA način citiranja (8. izdanje)Não informado. Proceedings of the Scientific Section of the Toilet Goods Association. Toilet Goods Association, 2020.
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