Smith, R. W. (1930). Testing equipment for large-capacity scales for the use of weights and measures officials. U.S. Govt. Print. Off.
Chicago-Zitierstil (17. Ausg.)Smith, Ralph Weir. Testing Equipment for Large-capacity Scales for the Use of Weights and Measures Officials. Washington: U.S. Govt. Print. Off, 1930.
MLA-Zitierstil (9. Ausg.)Smith, Ralph Weir. Testing Equipment for Large-capacity Scales for the Use of Weights and Measures Officials. U.S. Govt. Print. Off, 1930.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.