Alcazaren, P. (1999). The walls of Manila: Partitioning the city and dividing society. Philippine Star.
Chicago-referens (17:e uppl.)Alcazaren, Paulo. "The Walls of Manila: Partitioning the City and Dividing Society." Philippine Star 1999.
MLA-referens (9:e uppl.)Alcazaren, Paulo. "The Walls of Manila: Partitioning the City and Dividing Society." Philippine Star, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.