McNaught e Wilkinson (EN) A. D. McNaught e A. Wilkinson (a cura di), Isotopomer, in IUPAC. Compendium of Chemical Terminology (the "Gold Book"), 2ª ed., Oxford, Blackwell Scientific Publications, 1997, DOI:10.1351/goldbook.I03352.
McNaught e Wilkinson (EN) A. D. McNaught e A. Wilkinson (a cura di), Isotopomer, in IUPAC. Compendium of Chemical Terminology (the "Gold Book"), 2ª ed., Oxford, Blackwell Scientific Publications, 1997, DOI:10.1351/goldbook.I03352.