(1966). Government purchasing in Europe North America and Japan. Paris: OECD.
Trích dẫn kiểu ChicagoGovernment Purchasing in Europe North America and Japan. Paris: OECD, 1966.
ציטוט MLAGovernment Purchasing in Europe North America and Japan. Paris: OECD, 1966.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.