Analysis of information sources in references of the Wikipedia article "Esperanto orthography" in English language version.
duobla vo aŭ ĝermana vo. Nomo de neesperanta grafemo, kun la formo W, w, (prononcata v aŭ ŭ, depende de la lingvoj) [double V or Germanic V. Name of a non-Esperanto grapheme, with the form W, w, (pronounced v or ǔ [that is, with the sound of English "v" or "w"], depending on the language)]