Center for Research and Communication. The construction sector in the new society. Philippine Constrators Association.
Chicago-referens (17:e uppl.)Center for Research and Communication. The Construction Sector in the New Society. Manila: Philippine Constrators Association.
MLA-referens (9:e uppl.)Center for Research and Communication. The Construction Sector in the New Society. Philippine Constrators Association.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.