APA
Nyasaland Orotectorate, . (1935). Water supply investigation Progress report (no. 4). Zomba: Government Printer.
Chicago
Nyasaland Orotectorate, . 1935. Water supply investigation Progress report (no. 4). Zomba: Government Printer.
Harvard
Nyasaland Orotectorate, . (1935). Water supply investigation Progress report (no. 4). Zomba: Government Printer.
MLA
Nyasaland Orotectorate, . Water supply investigation Progress report (no. 4). Zomba: Government Printer. 1935.