In German, the designation ' and its adjective form ' are sometimes used, though ' (adjective: ') is more common in scientific, official, journalistic, and colloquial parlance. The style manual of the "Neue Zürcher Zeitung", a leading German-language newspaper, dismisses the term "US-amerikanisch" as both "unnecessary" and "artificial" and recommends replacing it with '. The respective guidelines of the foreign ministries of Austria, Germany, and Switzerland all dictate ' for official usage. "Ami" is common in colloquial speech. In Italian, both ' and ' are used, although the former is more common.