ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti nˈaɪn, dʒˈɛf də lˈuːkə kˈoʊˈɔːθɚd dʒˈɑːvə mˈɑːdəlɪŋ ɪn kˈʌlɚ wɪð jˌuːˌɛmˈɛl nˈaɪntiːnhˈʌndɹɪd nˈaɪnti nˈaɪn,, ɐlˈɔŋ wɪð pˈiːɾɚ kˈoʊd ænd ˈɛɹɪk lˈɛfɛbvɚ.
In 1999, Jeff De Luca co-authored Java Modeling In Color With UML (1999, ), along with Peter Coad and Eric Lefebvre.