Lines, J. (1973). Profit improvement: A comprehensive approach to improving managerial effectiveness. Business Books.
Čikaški stil citiranja (17. izdanje)Lines, James. Profit Improvement: A Comprehensive Approach to Improving Managerial Effectiveness. London: Business Books, 1973.
MLA način citiranja (8. izdanje)Lines, James. Profit Improvement: A Comprehensive Approach to Improving Managerial Effectiveness. Business Books, 1973.
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