Nicholson, R. H. (1986). Methematics for Business and Economics. Singapore: McGraw-Hill.
Trích dẫn kiểu ChicagoNicholson, Robert H. Methematics for Business and Economics. Singapore: McGraw-Hill, 1986.
MLA citiranjeNicholson, Robert H. Methematics for Business and Economics. Singapore: McGraw-Hill, 1986.
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