Sambo, G. R. (1981). Urban design principles in the planning of Manila [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Sambo, Glicerio Rosario. Urban Design Principles in the Planning of Manila [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1981.
MLA-referens (9:e uppl.)Sambo, Glicerio Rosario. Urban Design Principles in the Planning of Manila [microform]. Photoduplication Service. University of the Philippines Library, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.