Levering, R. (1987). The 100 best: Comanies to work for in America. New York: New American Library.
シカゴスタイル引用形Levering, Robert. The 100 Best: Comanies to Work for in America. New York: New American Library, 1987.
MLA引用形式Levering, Robert. The 100 Best: Comanies to Work for in America. New York: New American Library, 1987.
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