John Daintith (Februari 2008). "acidic". A Dictionary of Chemistry (dalam bahasa Inggeris). 3. Describing a compound that forms an acid when dissolved in water. Carbon dioxide, for example, is an acidic oxide.
worldcat.org
Chang, Raymond; Overby, Jason (2011). General chemistry: the essential concepts (dalam bahasa Inggeris) (ed. keenam). New York, NY: McGraw-Hill. ISBN9780073375632. OCLC435711011.
