Kehl, G. L. (1949). The principles of metallographic laboratory practice (3d ed.). McGraw-Hill.
シカゴスタイル引用形Kehl, George Louis. The Principles of Metallographic Laboratory Practice. 3d ed. New York: McGraw-Hill, 1949.
MLA引用形式Kehl, George Louis. The Principles of Metallographic Laboratory Practice. 3d ed. McGraw-Hill, 1949.
警告: この引用は必ずしも正確ではありません.