Clausen, A. W. (1977). The business of trade is more than business. New York: Bank of American NT & SA.
Čikaški stil citiranjaClausen, A. W. The Business of Trade Is More Than Business. New York: Bank of American NT & SA, 1977.
MLA način citiranjaClausen, A. W. The Business of Trade Is More Than Business. New York: Bank of American NT & SA, 1977.
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