CAMPBELL, D. (1993). Quickbooks For Profit: Making The Numbers Work / David Campbell And Mary Campbell. McGraw-Hill.
Chicago-viite (17. p.)CAMPBELL, David. Quickbooks For Profit: Making The Numbers Work / David Campbell And Mary Campbell. McGraw-Hill, 1993.
MLA-viite (8. p.)CAMPBELL, David. Quickbooks For Profit: Making The Numbers Work / David Campbell And Mary Campbell. McGraw-Hill, 1993.
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