ɹˈɛfɹənsᵻz ɑːɹ nˈʌmbɚd kənsˈɛkjuːtˌɪvli ɪn ˈɔːɹdɚɹ ʌv ɐpˈɪɹəns ɪnðə tˈɛkst ðeɪ ɑːɹ aɪdˈɛntᵻfˌaɪd baɪ ˈæɹɐbˌɪk nˈuːmɚɹəlz ɛŋklˈoʊzd ɪn pɚɹˈɛnθəsˌiːz.
References are numbered consecutively in order of appearance in the text – they are identified by Arabic numerals enclosed in parentheses.