Philippines (Republic). Bureau of Aeronautics. (1947). Rules and regulations governing the use of government air navigation facilities and providing the payment of the use thereof. s.n.
Citace podle Chicago (17th ed.)Philippines (Republic). Bureau of Aeronautics. Rules and Regulations Governing the Use of Government Air Navigation Facilities and Providing the Payment of the Use Thereof. [Manila: s.n, 1947.
Citace podle MLA (9th ed.)Philippines (Republic). Bureau of Aeronautics. Rules and Regulations Governing the Use of Government Air Navigation Facilities and Providing the Payment of the Use Thereof. s.n, 1947.
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