(1970). Gold and its price. Zurich: The Union Bank Of Switzerland.
Trích dẫn kiểu ChicagoGold and Its Price. Zurich: The Union Bank Of Switzerland, 1970.
ציטוט MLAGold and Its Price. Zurich: The Union Bank Of Switzerland, 1970.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.