APA引文

Philippines (Republic). Civil Aeronautics Administration & United States. Agency for International Development. (1967). Philippine airports and airways: Requirements analysis. [s.n.].

Chicago Style (17th ed.) Citation

Philippines (Republic). Civil Aeronautics Administration and United States. Agency for International Development. Philippine Airports and Airways: Requirements Analysis. Manila: [s.n.], 1967.

MLA引文

Philippines (Republic). Civil Aeronautics Administration and United States. Agency for International Development. Philippine Airports and Airways: Requirements Analysis. [s.n.], 1967.