Humphreys, W. J. (1929). Physics of the air (2d ed., rev. and enl.). McGraw-Hill Book Company, inc..
Lua i Stíl Chicago (17ú heag.)Humphreys, W. J. Physics of the Air. 2d ed., rev. and enl. New York [etc.]: McGraw-Hill Book Company, inc., 1929.
Lua MLA (8ú heag.)Humphreys, W. J. Physics of the Air. 2d ed., rev. and enl. McGraw-Hill Book Company, inc., 1929.
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