Muchlis, A. (2011). Key to Speaking. Jaring Pena.
Chicago-čujuhus (17. p.)Muchlis, Ach. Key to Speaking. Jaring Pena, 2011.
MLA-čujuhus (9. p.)Muchlis, Ach. Key to Speaking. Jaring Pena, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.