Philippines. Ministry of Trade and Industry. (1984). Directory of Philippine electronics exporters. Trade and Industry Information Center.
Chicago-referens (17:e uppl.)Philippines. Ministry of Trade and Industry. Directory of Philippine Electronics Exporters. Manila: Trade and Industry Information Center, 1984.
MLA-referens (9:e uppl.)Philippines. Ministry of Trade and Industry. Directory of Philippine Electronics Exporters. Trade and Industry Information Center, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.