Riegel, E. R. (1949). Industrial chemistry: An elementary treatise for the student and general reader (5th ed.). Reinhold.
Chicago Edition CitationRiegel, Emil Raymond. Industrial Chemistry: An Elementary Treatise for the Student and General Reader. 5th ed. New York: Reinhold, 1949.
MLA Edition CitationRiegel, Emil Raymond. Industrial Chemistry: An Elementary Treatise for the Student and General Reader. 5th ed. Reinhold, 1949.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.