Goodwin, H. M. (1913). Elements of the precision of measurements and graphical methods. McGraw-Hill Book Co..
Lua i Stíl Chicago (17ú heag.)Goodwin, H. M. Elements of the Precision of Measurements and Graphical Methods. New York [etc.]: McGraw-Hill Book Co., 1913.
Lua MLA (8ú heag.)Goodwin, H. M. Elements of the Precision of Measurements and Graphical Methods. McGraw-Hill Book Co., 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.