APA (7e ed.) Bronvermelding

Still David, Erskine Su, Walker Nick, Hazelton Derek, & Water Research Commission. The status and use of potable water efficient devices in the domestic and commercial environments in South Africa.

Chicago (17e ed.) Bronvermelding

Still David, Erskine Su, Walker Nick, Hazelton Derek, en Water Research Commission. The Status and Use of Potable Water Efficient Devices in the Domestic and Commercial Environments in South Africa.

MLA (9e ed.) Bronvermelding

Still David, et al. The Status and Use of Potable Water Efficient Devices in the Domestic and Commercial Environments in South Africa.