SHENTON, J. P., MECKLER, A. M., & HERMANSON, R. H. (1975). Programmed learning aid for United States history since1865. Learning Systems.
Čikaški stil citiranja (17. izdanje)SHENTON, James P., Alan M. MECKLER, i Roger H. HERMANSON. Programmed Learning Aid for United States History Since1865. Illinois: Learning Systems, 1975.
MLA način citiranja (9. izdanje)SHENTON, James P., et al. Programmed Learning Aid for United States History Since1865. Learning Systems, 1975.
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