Não informado. (2020). Proceedings of the Scientific Section of the Toilet Goods Association. Toilet Goods Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Proceedings of the Scientific Section of the Toilet Goods Association. Washington: Toilet Goods Association, 2020.
MLA-Zitierstil (8. Ausg.)Não informado. Proceedings of the Scientific Section of the Toilet Goods Association. Toilet Goods Association, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.