Reference to them is made according to the organization of Immanuel Bekker's Royal Prussian Academy edition (Aristotelis Opera edidit Academia Regia Borussica, Berlin, 1831–1870), which in turn is based on ancient classifications of these works.
ɹˈɛfɹəns tə ðˌɛm ɪz mˌeɪd ɐkˈoːɹdɪŋ tə ðɪ ˌɔːɹɡɐnᵻzˈeɪʃən ʌv ɪmˈænuːl bˈɛkɚz ɹˈɔɪəl pɹˈʌʃən ɐkˈædəmi ᵻdˈɪʃən ˈæɹɪstˌoʊtliz ˈɑːpɚɹə ˈɛdɪdˌɪt ˌækədˈiːmiə ɹᵻdʒˈɪə boːɹˈʌsɪkə, bɜːlˈɪn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd θˈɜːɾi wˈʌn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti, wˌɪtʃ ɪn tˈɜːn ɪz bˈeɪst ˌɔn ˈeɪntʃənt klˌæsɪfɪkˈeɪʃənz ʌv ðiːz wˈɜːks.