Ahrens, L. H. (1955). Quantitative spectrochemical analysis of silicates: A scheme of quantitative DC arc analysis of the silicate minerals, rocks, soils and meteorites. London : Pergamon.
Chicago-referens (17:e uppl.)Ahrens, L. H. Quantitative Spectrochemical Analysis of Silicates: A Scheme of Quantitative DC Arc Analysis of the Silicate Minerals, Rocks, Soils and Meteorites. London : Pergamon, 1955.
MLA-referens (9:e uppl.)Ahrens, L. H. Quantitative Spectrochemical Analysis of Silicates: A Scheme of Quantitative DC Arc Analysis of the Silicate Minerals, Rocks, Soils and Meteorites. London : Pergamon, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.