Wren, P. (2007). Highschool english grammer and composition. S. Chand.
Chicago-čujuhus (17. p.)Wren, P. Highschool English Grammer and Composition. New Delhi: S. Chand, 2007.
MLA-čujuhus (9. p.)Wren, P. Highschool English Grammer and Composition. S. Chand, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.