EUROPA PUBLICATIONS LIMITDE. (1987). The world of learning 1988 (ed.38.). Europa Publications limited.
Chicagoスタイル(17版)引用形式EUROPA PUBLICATIONS LIMITDE. The World of Learning 1988. ed.38. London: Europa Publications limited, 1987.
MLA(9版)引用形式EUROPA PUBLICATIONS LIMITDE. The World of Learning 1988. ed.38. Europa Publications limited, 1987.
警告: この引用は必ずしも正確ではありません.