Aircraft noise abatement :
Hearings, Ninetieth Congress, first and second sessions on H.R. 3400 [and] H.R. 14146 ...
APA Citation
United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics. (1968). Aircraft noise abatement: Hearings, Ninetieth Congress, first and second sessions on H.R. 3400 [and] H.R. 14146 ... Washington: U.S. Govt. Print. Off..
MLA Citation
United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics. Aircraft Noise Abatement: Hearings, Ninetieth Congress, First And Second Sessions On H.R. 3400 [and] H.R. 14146 ... Washington: U.S. Govt. Print. Off., 1968.
Warning: These citations may not always be complete (especially for serials).