United States. Federal Aviation Administration. (1973). 1972 national airport system plan ([1st ed.). Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off..
Chicago Style CitationUnited States. Federal Aviation Administration. 1972 National Airport System Plan. [1st ed. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.
MLA CitationUnited States. Federal Aviation Administration. 1972 National Airport System Plan. [1st ed. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.
Warning: These citations may not always be 100% accurate.