מומנט כוח – הבדלי גרסאות

*'''McGraw-Hill Encyclopedia of Engineering''', Sybil P. Parker Editor in Chieh. McGraw-Hill Book Company 1983, {{ISBN |0-07-045486-8}}

*Tipler Paul, '''Physics for Scientists and Engineers''': Mechanics, Oscillations and Waves, Thermodynamics 5th ed W. H. Freeman, 2004 {{ISBN |0716708094}}