Philippines. Bureau of Customs. (1972). Home consumption values of chemicals and drugs exported to the Philippines. [s.n].
Citace podle Chicago (17th ed.)Philippines. Bureau of Customs. Home Consumption Values of Chemicals and Drugs Exported to the Philippines. Manila: [s.n], 1972.
Citace podle MLA (9th ed.)Philippines. Bureau of Customs. Home Consumption Values of Chemicals and Drugs Exported to the Philippines. [s.n], 1972.
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