Clark, R. C. [. C. (2006). Index card games for esl (Third edition.). Pro Lingua Associates.
Chicago-čujuhus (17. p.)Clark, Raymond C. [ Compiler]. Index Card Games for Esl. Third edition. USA: Pro Lingua Associates, 2006.
MLA-čujuhus (9. p.)Clark, Raymond C. [ Compiler]. Index Card Games for Esl. Third edition. Pro Lingua Associates, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.