APA (7e ed.) Bronvermelding

Não informado. (2019). The Water Wheel. Water Research Commission.

Chicago (17e ed.) Bronvermelding

Não informado. The Water Wheel. Pretoria, Africa do Sul: Water Research Commission, 2019.

MLA (8e ed.) Bronvermelding

Não informado. The Water Wheel. Water Research Commission, 2019.

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