United States Information Agency. The language of trade (Revised ed.). s.n.
Chicago Style (17th ed.) CitationUnited States Information Agency. The Language of Trade. Revised ed. [S.l: s.n.
ציטוט MLAUnited States Information Agency. The Language of Trade. Revised ed. s.n.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.