Philippines (Republic). Department of Commerce and Industry. (1952). Philippine yearbook of commerce and industry. [s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines (Republic). Department of Commerce and Industry. Philippine Yearbook of Commerce and Industry. Manila: [s.n.], 1952.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines (Republic). Department of Commerce and Industry. Philippine Yearbook of Commerce and Industry. [s.n.], 1952.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.