Petroleum Investigation. Part 5, Index to Parts 1, 2, 3, and 4 : hearings before the United States House Committee on Interstate and Foreign Commerce, Seventy-Sixth Congress, third session.

MLA

United States. Petroleum Investigation. Part 5, Index to Parts 1, 2, 3, and 4 : hearings before the United States House Committee on Interstate and Foreign Commerce, Seventy-Sixth Congress, third session. Washington : U.S. G.P.O., 1940.

APA

United States. (1940). Petroleum Investigation. Part 5, Index to Parts 1, 2, 3, and 4 : hearings before the United States House Committee on Interstate and Foreign Commerce, Seventy-Sixth Congress, third session. Washington : U.S. G.P.O..

Chicago

United States. Petroleum Investigation. Part 5, Index to Parts 1, 2, 3, and 4 : hearings before the United States House Committee on Interstate and Foreign Commerce, Seventy-Sixth Congress, third session. Washington : U.S. G.P.O., 1940.