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<xml><bibliography><APA>Christian Hofstadler และ -. (2015) Influence of Temperature on Labor Productivity in Masonry Works. ISEC Press:ม.ป.ท.</APA><Chicago>Christian Hofstadler และ -. 2015. Influence of Temperature on Labor Productivity in Masonry Works. ม.ป.ท.:ISEC Press;</Chicago><MLA>Christian Hofstadler และ -.  Influence of Temperature on Labor Productivity in Masonry Works.  ม.ป.ท.:ISEC Press, 2015. Print.</MLA></bibliography></xml>
