Dyfyniad APA

Humphreys, W. J. (1929). Physics of the air (2d ed., rev. and enl.). McGraw-Hill Book Company, inc..

Dyfyniad Arddull Chicago

Humphreys, W. J. Physics of the Air. 2d ed., rev. and enl. New York [etc.]: McGraw-Hill Book Company, inc., 1929.

Dyfyniad MLA

Humphreys, W. J. Physics of the Air. 2d ed., rev. and enl. McGraw-Hill Book Company, inc., 1929.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.