Maass, A. (1974). Muddy waters; the Army Engineers and the Nation's rivers. Da Capo Press.
Citace podle Chicago (17th ed.)Maass, Arthur. Muddy Waters; the Army Engineers and the Nation's Rivers. New York: Da Capo Press, 1974.
Citace podle MLA (9th ed.)Maass, Arthur. Muddy Waters; the Army Engineers and the Nation's Rivers. Da Capo Press, 1974.
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