(1969). Switzerland's economy and main industries. Lausanne and Zurich: The Swiss Office for the Development of Trade.
Trích dẫn kiểu ChicagoSwitzerland's Economy and Main Industries. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.
ציטוט MLASwitzerland's Economy and Main Industries. Lausanne and Zurich: The Swiss Office for the Development of Trade, 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.