Mahoney, J. R. 1. (1950). Natural resources activity of the Federal Government: Historical, descriptive, analytical.
Citace podle Chicago (17th ed.)Mahoney, J. Rolla 1894. Natural Resources Activity of the Federal Government: Historical, Descriptive, Analytical. Washington, 1950.
Citace podle MLA (9th ed.)Mahoney, J. Rolla 1894. Natural Resources Activity of the Federal Government: Historical, Descriptive, Analytical. 1950.
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