United States International Trade Commission. (1987). In the matter of certain reclosable plastic baggs and tubing: Investigation No.337-266. Washington, D.C: United States International Trade Commission.
Chicago Stili AlıntıUnited States International Trade Commission. In the Matter of Certain Reclosable Plastic Baggs and Tubing: Investigation No.337-266. Washington, D.C: United States International Trade Commission, 1987.
MLA AlıntıUnited States International Trade Commission. In the Matter of Certain Reclosable Plastic Baggs and Tubing: Investigation No.337-266. Washington, D.C: United States International Trade Commission, 1987.
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