European Free Trade Association. Secretariat. (1980). EFTA - past and future: A discussion paper on achievements in free trade and future possiblities. The Secretariat.
Chicagoスタイル(17版)引用形式European Free Trade Association. Secretariat. EFTA - Past and Future: A Discussion Paper on Achievements in Free Trade and Future Possiblities. Geneva: The Secretariat, 1980.
MLA(8版)引用形式European Free Trade Association. Secretariat. EFTA - Past and Future: A Discussion Paper on Achievements in Free Trade and Future Possiblities. The Secretariat, 1980.
警告: この引用は必ずしも正確ではありません.