Kehl, G. L. (1949). The principles of metallographic laboratory practice (3d ed.). McGraw-Hill.
Chicago Style citaatKehl, George Louis. The Principles of Metallographic Laboratory Practice. 3d ed. New York: McGraw-Hill, 1949.
MLA citatieKehl, George Louis. The Principles of Metallographic Laboratory Practice. 3d ed. McGraw-Hill, 1949.
Let op: Deze citaties zijn niet altijd 100% accuraat.