Hooley, R. W., & Sicat, G. P. Investment demand in Philippine manufacturing [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
Lua i Stíl Chicago (17ú heag.)Hooley, Richard W., agus Gerardo Pasion Sicat. Investment Demand in Philippine Manufacturing [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.
Lua MLA (9ú heag.)Hooley, Richard W., agus Gerardo Pasion Sicat. Investment Demand in Philippine Manufacturing [microfilm]. Photoduplication Service, University of the Philippines Library,1976.
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