ERIC Clearinghouse for Social Studies/Social Science Education & Davis, J. E. (1983). Planning a social studies program: Activities, guidelines, and resources (Rev. ed.). Social Science Education Consortium [and] ERIC Clearinghouse for Social Studies/Social Science Education : Available from Social Science Education Consortium.
Cytowanie według stylu Chicago (wyd. 17)ERIC Clearinghouse for Social Studies/Social Science Education i James E. Davis. Planning a Social Studies Program: Activities, Guidelines, and Resources. Rev. ed. Boulder, Colo.: Social Science Education Consortium [and] ERIC Clearinghouse for Social Studies/Social Science Education : Available from Social Science Education Consortium, 1983.
Cytowanie według stylu MLA (wyd. 8)ERIC Clearinghouse for Social Studies/Social Science Education i James E. Davis. Planning a Social Studies Program: Activities, Guidelines, and Resources. Rev. ed. Social Science Education Consortium [and] ERIC Clearinghouse for Social Studies/Social Science Education : Available from Social Science Education Consortium, 1983.