Childs, W. H. J. (1972). Physical constants: Selected for students (9th ed.). Chapman and Hall.
Chicago Style (17. basım) AtıfChilds, W. H. J. Physical Constants: Selected for Students. 9th ed. London,: Chapman and Hall, 1972.
MLA (8th ed.) AtıfChilds, W. H. J. Physical Constants: Selected for Students. 9th ed. Chapman and Hall, 1972.
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