Cooperative Strategy. Oxford University Press / Books.
芝加哥风格引文Cooperative Strategy. Oxford University Press / Books.
MLA引文Cooperative Strategy. Oxford University Press / Books.
警告：这些引文格式不一定是100％准确.
APA引文
Cooperative Strategy. Oxford University Press / Books.
芝加哥风格引文Cooperative Strategy. Oxford University Press / Books.
MLA引文Cooperative Strategy. Oxford University Press / Books.