dɜːdˈɛvɪk mˈɛnʃənd sˈɛvɹəl tˈaɪmz ɪn hɪz lˈɛɡəsi ɐ kˈæθlɪk mˈænjuːəl ɪnðə "sˈɜːbiən lˈæŋɡwɪdʒ" lˈɪŋɡjuːə sˌɜːviˈɑːnə, ɹˈɪʔn̩ ɪn sɪɹˈɪlɪk.
Đurđević mentioned several times in his legacy a Catholic manual in the "Serbian language" (lingua serviana), written in Cyrillic.