Ninham Shand (Pty). (1971). Water resources of the Natal South Coast: Submitted to the Town and Regional Planning Commission. Natal Town and Regional Planning Commission.
Chicago-referens (17:e uppl.)Ninham Shand (Pty). Water Resources of the Natal South Coast: Submitted to the Town and Regional Planning Commission. Pietermaritzburg: Natal Town and Regional Planning Commission, 1971.
MLA-referens (8:e uppl.)Ninham Shand (Pty). Water Resources of the Natal South Coast: Submitted to the Town and Regional Planning Commission. Natal Town and Regional Planning Commission, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.