Philippines (Republic). Department of Commerce and Industry. (1952). Philippine yearbook of commerce and industry. [s.n.].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPhilippines (Republic). Department of Commerce and Industry. Philippine Yearbook of Commerce and Industry. Manila: [s.n.], 1952.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPhilippines (Republic). Department of Commerce and Industry. Philippine Yearbook of Commerce and Industry. [s.n.], 1952.
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