HILL, L. (1978). Elementary comprehension pieces. Oxford University.
Chicago-čujuhus (17. p.)HILL, L.A. Elementary Comprehension Pieces. Hong Kong: Oxford University, 1978.
MLA-čujuhus (9. p.)HILL, L.A. Elementary Comprehension Pieces. Oxford University, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.