ENGEL, P. H. (1996). Budgeting And Finance Peter H. Engel. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)ENGEL, Peter H. Budgeting And Finance Peter H. Engel. McGraw-Hill, 1996.
Lua MLA (8ú heag.)ENGEL, Peter H. Budgeting And Finance Peter H. Engel. McGraw-Hill, 1996.
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