Alcazaren, P. (1999). The walls of Manila: Partitioning the city and dividing society. Philippine Star.
Chicago-viite (17. p.)Alcazaren, Paulo. "The Walls of Manila: Partitioning the City and Dividing Society." Philippine Star 1999.
MLA-viite (9. p.)Alcazaren, Paulo. "The Walls of Manila: Partitioning the City and Dividing Society." Philippine Star, 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.