TYSON, J. C., & CARROLL, M. A. (1970). Conceptual tools for teaching in secondary schools. Houghton Mifflin.
Chicago-čujuhus (17. p.)TYSON, James C., juo Mary Ann CARROLL. Conceptual Tools for Teaching in Secondary Schools. New YOrk: Houghton Mifflin, 1970.
MLA-čujuhus (9. p.)TYSON, James C., juo Mary Ann CARROLL. Conceptual Tools for Teaching in Secondary Schools. Houghton Mifflin, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.