Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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