EUROPA PUBLICATIONS LIMITDE. (1984). The world of learning 1984- 85 (ed.35.). Europa Publications limited.
芝加哥风格引文EUROPA PUBLICATIONS LIMITDE. The World of Learning 1984- 85. ed.35. London: Europa Publications limited, 1984.
MLA引文EUROPA PUBLICATIONS LIMITDE. The World of Learning 1984- 85. ed.35. Europa Publications limited, 1984.
警告：这些引文格式不一定是100％准确.