(1983). U.S. waterways productivity: : a private and public partnership. Huntsville, AL.: The Strode Publishers.
Παραπομπή Chicago StyleU.S. Waterways Productivity: : A Private and Public Partnership. Huntsville, AL.: The Strode Publishers, 1983.
Παραπομπή MLAU.S. Waterways Productivity: : A Private and Public Partnership. Huntsville, AL.: The Strode Publishers, 1983.
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