Shields, H. G., & Wilson, W. H. (1936). Workbook for use with Business-economic problems. South-western Publishing Co..
Čikaški stil citiranja (17. izdanje)Shields, Harold Gustav, i William Harmon Wilson. Workbook for Use with Business-economic Problems. [Cincinnati : New York, etc.: South-western Publishing Co., 1936.
MLA način citiranja (8. izdanje)Shields, Harold Gustav, i William Harmon Wilson. Workbook for Use with Business-economic Problems. South-western Publishing Co., 1936.
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