Washington (State). Department of Weights and Measures. (1918). Accuracy as an aid to conservation: An account of the methods by which the State department of weights and measures assists in useful war work and promotes the protection of the public, containing a history of weights and measures and set of complete tables of United States and metric systems.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State). Department of Weights and Measures. Accuracy as an Aid to Conservation: An Account of the Methods by Which the State Department of Weights and Measures Assists in Useful War Work and Promotes the Protection of the Public, Containing a History of Weights and Measures and Set of Complete Tables of United States and Metric Systems. Olympia, 1918.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State). Department of Weights and Measures. Accuracy as an Aid to Conservation: An Account of the Methods by Which the State Department of Weights and Measures Assists in Useful War Work and Promotes the Protection of the Public, Containing a History of Weights and Measures and Set of Complete Tables of United States and Metric Systems. 1918.