Current Issues in Middle Level Education. National Association of Professors of Middle Level Education (NAPOMLE).
Chicago-čujuhus (17. p.)Current Issues in Middle Level Education. National Association of Professors of Middle Level Education (NAPOMLE).
MLA-čujuhus (9. p.)Current Issues in Middle Level Education. National Association of Professors of Middle Level Education (NAPOMLE).
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.