(2001). Distribution of establishments in the Philippines in 1999. NSO Special Release.
Chicago-referens (17:e uppl.)"Distribution of Establishments in the Philippines in 1999." NSO Special Release 2001.
MLA-referens (9:e uppl.)"Distribution of Establishments in the Philippines in 1999." NSO Special Release, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.