(1953). Short history of industry and trade of the Philippines from pre-Spanish times to the end of the Roxas administration. Manila: American Chamber of Commerce of the Philippines.
Παραπομπή Chicago StyleShort History of Industry and Trade of the Philippines From Pre-Spanish Times to the End of the Roxas Administration. Manila: American Chamber of Commerce of the Philippines, 1953.
Παραπομπή MLAShort History of Industry and Trade of the Philippines From Pre-Spanish Times to the End of the Roxas Administration. Manila: American Chamber of Commerce of the Philippines, 1953.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.