CLARK, L. H., & STARR, I. S. (1970). Secondary school teaching methods.-- Ed.2. The Macmilla Co.
Chicago-čujuhus (17. p.)CLARK, Leonard H., juo Irving S. STARR. Secondary School Teaching Methods.-- Ed.2. London: The Macmilla Co, 1970.
MLA-čujuhus (9. p.)CLARK, Leonard H., juo Irving S. STARR. Secondary School Teaching Methods.-- Ed.2. The Macmilla Co, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.