Douglas, S. (2002). Introduction to Quickbooks Pro 2001. New York: Glencoe/McGraw-Hill.
Čikaški stil citiranjaDouglas, Sleeter. Introduction to Quickbooks Pro 2001. New York: Glencoe/McGraw-Hill, 2002.
MLA način citiranjaDouglas, Sleeter. Introduction to Quickbooks Pro 2001. New York: Glencoe/McGraw-Hill, 2002.
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