钟晓鹰. 美国的证券信用等级系统[J]. Foreign Economics & Management, 1989, 11(1): 28.
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Foreign Economics & Management
LiZengquan, Editor-in-Chief
ZhengChunrong, Vice Executive Editor-in-Chief
YinHuifang HeXiaogang LiuJianguo, Vice Editor-in-Chief