Jenny, H. (2019). Water conservation strategies for Beijing Capital Region. Asian Development Bank.
Chicago-referens (17:e uppl.)Jenny, Hubert. Water Conservation Strategies for Beijing Capital Region. Metro Manila, Philippines: Asian Development Bank, 2019.
MLA-referens (9:e uppl.)Jenny, Hubert. Water Conservation Strategies for Beijing Capital Region. Asian Development Bank, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.