Haribon Foundation. (2011). Forests and water - the missing link. Sunday Times Magazine.
Chicago-referens (17:e uppl.)Haribon Foundation. "Forests and Water - the Missing Link." Sunday Times Magazine 2011.
MLA-referens (9:e uppl.)Haribon Foundation. "Forests and Water - the Missing Link." Sunday Times Magazine, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.