Gras, N. S. B. (1967). The evolution of the English corn market, from the twelfth to the eighteenth century. Russell & Russell.
Chicago Style (17th ed.) CitationGras, Norman Scott Brien. The Evolution of the English Corn Market, from the Twelfth to the Eighteenth Century. New York: Russell & Russell, 1967.
ציטוט MLAGras, Norman Scott Brien. The Evolution of the English Corn Market, from the Twelfth to the Eighteenth Century. Russell & Russell, 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.