Sicat, G. P., & Tidalgo, R. L. Output, capital, labor and population: Projections from the supply side [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
Chicago-referens (17:e uppl.)Sicat, Gerardo Pasion, och Rosa Linda Tidalgo. Output, Capital, Labor and Population: Projections from the Supply Side [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.
MLA-referens (9:e uppl.)Sicat, Gerardo Pasion, och Rosa Linda Tidalgo. Output, Capital, Labor and Population: Projections from the Supply Side [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.