APA (7e ed.) Bronvermelding

Não informado. (2020). Proceedings of the Scientific Section of the Toilet Goods Association. Toilet Goods Association.

Chicago (17e ed.) Bronvermelding

Não informado. Proceedings of the Scientific Section of the Toilet Goods Association. Washington: Toilet Goods Association, 2020.

MLA (8e ed.) Bronvermelding

Não informado. Proceedings of the Scientific Section of the Toilet Goods Association. Toilet Goods Association, 2020.

Let op: Deze citaties zijn niet altijd 100% accuraat.