Water carrier mixing rule exemption.
Hearings, Ninetieth Congress, first session.

APA Citation

United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics. (1967). Water carrier mixing rule exemption: Hearings, Ninetieth Congress, first session. Washington: U.S. Govt. Print. Off..

MLA Citation

United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Transportation and Aeronautics. Water Carrier Mixing Rule Exemption: Hearings, Ninetieth Congress, First Session. Washington: U.S. Govt. Print. Off., 1967.