Severns, W. H. (1954). Steam, air, and gas power. New York: John Wiley & Sons ,Inc.
Čikaški stil citiranjaSeverns, William H. Steam, Air, and Gas Power. New York: John Wiley & Sons ,Inc, 1954.
MLA način citiranjaSeverns, William H. Steam, Air, and Gas Power. New York: John Wiley & Sons ,Inc, 1954.
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