Langan, J. (1992). Ten steps to improving college reading skills (2nd ed.). Townsend Press.
Chicago-čujuhus (17. p.)Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. New Jersey: Townsend Press, 1992.
MLA-čujuhus (9. p.)Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. Townsend Press, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.