APA-čujuhus (7. p.)
Ashworth, J., & Clark, J. (1997). I-SPY: Activity book 2. University Press.
Chicago-čujuhus (17. p.)
Ashworth, Julie, juo John Clark. I-SPY: Activity Book 2. Oxford: University Press, 1997.
MLA-čujuhus (9. p.)
Ashworth, Julie, juo John Clark. I-SPY: Activity Book 2. University Press, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.