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.
Lua i Stíl Chicago (17ú heag.)Sicat, Gerardo Pasion, agus Rosa Linda Tidalgo. Output, Capital, Labor and Population: Projections from the Supply Side [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.
Lua MLA (9ú heag.)Sicat, Gerardo Pasion, agus Rosa Linda Tidalgo. Output, Capital, Labor and Population: Projections from the Supply Side [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.