A polyglot pocket dictionary of Lingála, English, French, and Italian : dictionnaire polyglotte de poche Lingála-Anglais-Français-Italien = dizionario poliglotta tascabile Lingála-Inglese-Francese-Italiano = Búku bwa maloba na nkóta nzíké = Lingála-Angelé-Falansé-Italien - Gbotokuma, Zekeh (Cambridge Scholars Publishing, 2016)