Merck, E., Krauch, C., & Schenck, H. (1907). Chemical reagents: Their purity and tests; a new and improved text based on and replacing the latest edition of Krauch's "Die prufung der chemischen reagentien auf reinheit,". D. Van Nostrand company.
Παραπομπή σε μορφή Chicago (17η εκδ.)Merck, E., Carl Krauch, και Henry Schenck. Chemical Reagents: Their Purity and Tests; a New and Improved Text Based on and Replacing the Latest Edition of Krauch's "Die Prufung Der Chemischen Reagentien Auf Reinheit,". New York: D. Van Nostrand company, 1907.
Παραπομπή σε μορφή MLA (8th εκδ.)Merck, E., et al. Chemical Reagents: Their Purity and Tests; a New and Improved Text Based on and Replacing the Latest Edition of Krauch's "Die Prufung Der Chemischen Reagentien Auf Reinheit,". D. Van Nostrand company, 1907.