Shenton, J. P., & Meckler, A. M. (1973). Programmed learning aid for United States history. Learning Systems.
Style de citation Chicago (17e éd.)Shenton, James Patrick, et Alan M. Meckler. Programmed Learning Aid for United States History. Homewood, IL: Learning Systems, 1973.
Style de citation MLA (9e éd.)Shenton, James Patrick, et Alan M. Meckler. Programmed Learning Aid for United States History. Learning Systems, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.