(1992). The economist year book. London.
シカゴスタイル引用形The Economist Year Book. London, 1992.
MLA引用形式The Economist Year Book. London, 1992.
警告: この引用は必ずしも正確ではありません.
(1992). The economist year book. London.
シカゴスタイル引用形The Economist Year Book. London, 1992.
MLA引用形式The Economist Year Book. London, 1992.