Nickels, W. G. (2002). Understanding business. Boston: Mc Graw Hill Irwin.
Trích dẫn kiểu ChicagoNickels, William G. Understanding Business. Boston: Mc Graw Hill Irwin, 2002.
ציטוט MLANickels, William G. Understanding Business. Boston: Mc Graw Hill Irwin, 2002.
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