APA Цитирование

Singapore. Public Utilities Board. (1980). Singapore's water supply. Public Utilities Board.

Chicago-стиль цитирования

Singapore. Public Utilities Board. Singapore's Water Supply. Singapore: Public Utilities Board, 1980.

MLA-цитирование

Singapore. Public Utilities Board. Singapore's Water Supply. Public Utilities Board, 1980.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.