Hoffmann, F., & Power, F. B. (1883). A manual of chemical analysis as applied to the examination of medicinal chemicals: A guide for the determination of their identity and quality, and for the detection of impurities and adulterations (3rd ed. thoroughly rev. and greatly enl.). H.C. Lea's Son & Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)Hoffmann, Fr., και Frederick B. Power. A Manual of Chemical Analysis as Applied to the Examination of Medicinal Chemicals: A Guide for the Determination of Their Identity and Quality, and for the Detection of Impurities and Adulterations. 3rd ed. thoroughly rev. and greatly enl. Philadelphia: H.C. Lea's Son & Co., 1883.
Παραπομπή σε μορφή MLA (8th εκδ.)Hoffmann, Fr., και Frederick B. Power. A Manual of Chemical Analysis as Applied to the Examination of Medicinal Chemicals: A Guide for the Determination of Their Identity and Quality, and for the Detection of Impurities and Adulterations. 3rd ed. thoroughly rev. and greatly enl. H.C. Lea's Son & Co., 1883.